Home / 136,289.62-204,420.02-36,459.88

Finding the Fourth Proportional to 136,289.62, 204,420.02 and 36,459.88

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Solution

The fourth proportional to 136,289.62, 204,420.02 and 36,459.88 is: 54,685.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,289.62 : 204,420.02 = 36,459.88 : x
  2. Step 2: Convert to fraction form
    136,289.62/204,420.02 = 36,459.88/x
  3. Step 3: Cross multiply
    136,289.62x = 204,420.02 × 36,459.88
  4. Step 4: Simplify right side
    136,289.62x = 7,453,129,398.80
  5. Step 5: Solve for x
    x = 7,453,129,398.80/136,289.62
  6. Step 6: Final answer
    x = 54,685.97

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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.