Home / 138,182.29-207,250.25-38,352.62

Finding the Fourth Proportional to 138,182.29, 207,250.25 and 38,352.62

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Solution

The fourth proportional to 138,182.29, 207,250.25 and 38,352.62 is: 57,522.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,182.29 : 207,250.25 = 38,352.62 : x
  2. Step 2: Convert to fraction form
    138,182.29/207,250.25 = 38,352.62/x
  3. Step 3: Cross multiply
    138,182.29x = 207,250.25 × 38,352.62
  4. Step 4: Simplify right side
    138,182.29x = 7,948,590,409.52
  5. Step 5: Solve for x
    x = 7,948,590,409.52/138,182.29
  6. Step 6: Final answer
    x = 57,522.50

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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.