Home / 89,572.68-134,231.85-42,169.86

Finding the Fourth Proportional to 89,572.68, 134,231.85 and 42,169.86

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Solution

The fourth proportional to 89,572.68, 134,231.85 and 42,169.86 is: 63,194.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,572.68 : 134,231.85 = 42,169.86 : x
  2. Step 2: Convert to fraction form
    89,572.68/134,231.85 = 42,169.86/x
  3. Step 3: Cross multiply
    89,572.68x = 134,231.85 × 42,169.86
  4. Step 4: Simplify right side
    89,572.68x = 5,660,538,322.04
  5. Step 5: Solve for x
    x = 5,660,538,322.04/89,572.68
  6. Step 6: Final answer
    x = 63,194.92

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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.