Home / 91,218.20-136,824.30-41,298.30

Finding the Fourth Proportional to 91,218.20, 136,824.30 and 41,298.30

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Solution

The fourth proportional to 91,218.20, 136,824.30 and 41,298.30 is: 61,946.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,218.20 : 136,824.30 = 41,298.30 : x
  2. Step 2: Convert to fraction form
    91,218.20/136,824.30 = 41,298.30/x
  3. Step 3: Cross multiply
    91,218.20x = 136,824.30 × 41,298.30
  4. Step 4: Simplify right side
    91,218.20x = 5,650,610,988.69
  5. Step 5: Solve for x
    x = 5,650,610,988.69/91,218.20
  6. Step 6: Final answer
    x = 61,946.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.