Home / 123,432.62-170,337.14-69,717.74

Finding the Fourth Proportional to 123,432.62, 170,337.14 and 69,717.74

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Solution

The fourth proportional to 123,432.62, 170,337.14 and 69,717.74 is: 96,210.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,432.62 : 170,337.14 = 69,717.74 : x
  2. Step 2: Convert to fraction form
    123,432.62/170,337.14 = 69,717.74/x
  3. Step 3: Cross multiply
    123,432.62x = 170,337.14 × 69,717.74
  4. Step 4: Simplify right side
    123,432.62x = 11,875,519,238.59
  5. Step 5: Solve for x
    x = 11,875,519,238.59/123,432.62
  6. Step 6: Final answer
    x = 96,210.55

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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.