Home / 138,428.25-207,668.23-95,332.92

Finding the Fourth Proportional to 138,428.25, 207,668.23 and 95,332.92

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Solution

The fourth proportional to 138,428.25, 207,668.23 and 95,332.92 is: 143,017.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,428.25 : 207,668.23 = 95,332.92 : x
  2. Step 2: Convert to fraction form
    138,428.25/207,668.23 = 95,332.92/x
  3. Step 3: Cross multiply
    138,428.25x = 207,668.23 × 95,332.92
  4. Step 4: Simplify right side
    138,428.25x = 19,797,617,718.79
  5. Step 5: Solve for x
    x = 19,797,617,718.79/138,428.25
  6. Step 6: Final answer
    x = 143,017.18

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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.