Home / 91,865.70-137,798.55-25,316.10

Finding the Fourth Proportional to 91,865.70, 137,798.55 and 25,316.10

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Solution

The fourth proportional to 91,865.70, 137,798.55 and 25,316.10 is: 37,974.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,865.70 : 137,798.55 = 25,316.10 : x
  2. Step 2: Convert to fraction form
    91,865.70/137,798.55 = 25,316.10/x
  3. Step 3: Cross multiply
    91,865.70x = 137,798.55 × 25,316.10
  4. Step 4: Simplify right side
    91,865.70x = 3,488,521,871.66
  5. Step 5: Solve for x
    x = 3,488,521,871.66/91,865.70
  6. Step 6: Final answer
    x = 37,974.15

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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.