Home / 123,332.52-170,199.18-66,744.30

Finding the Fourth Proportional to 123,332.52, 170,199.18 and 66,744.30

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Solution

The fourth proportional to 123,332.52, 170,199.18 and 66,744.30 is: 92,107.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,332.52 : 170,199.18 = 66,744.30 : x
  2. Step 2: Convert to fraction form
    123,332.52/170,199.18 = 66,744.30/x
  3. Step 3: Cross multiply
    123,332.52x = 170,199.18 × 66,744.30
  4. Step 4: Simplify right side
    123,332.52x = 11,359,825,129.67
  5. Step 5: Solve for x
    x = 11,359,825,129.67/123,332.52
  6. Step 6: Final answer
    x = 92,107.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.