Home / 91,729.68-137,593.92-25,164.60

Finding the Fourth Proportional to 91,729.68, 137,593.92 and 25,164.60

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Solution

The fourth proportional to 91,729.68, 137,593.92 and 25,164.60 is: 37,746.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,729.68 : 137,593.92 = 25,164.60 : x
  2. Step 2: Convert to fraction form
    91,729.68/137,593.92 = 25,164.60/x
  3. Step 3: Cross multiply
    91,729.68x = 137,593.92 × 25,164.60
  4. Step 4: Simplify right side
    91,729.68x = 3,462,495,959.23
  5. Step 5: Solve for x
    x = 3,462,495,959.23/91,729.68
  6. Step 6: Final answer
    x = 37,746.74

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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.