Home / 149,910.28-206,901.78-89,484.04

Finding the Fourth Proportional to 149,910.28, 206,901.78 and 89,484.04

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Solution

The fourth proportional to 149,910.28, 206,901.78 and 89,484.04 is: 123,503.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,910.28 : 206,901.78 = 89,484.04 : x
  2. Step 2: Convert to fraction form
    149,910.28/206,901.78 = 89,484.04/x
  3. Step 3: Cross multiply
    149,910.28x = 206,901.78 × 89,484.04
  4. Step 4: Simplify right side
    149,910.28x = 18,514,407,157.59
  5. Step 5: Solve for x
    x = 18,514,407,157.59/149,910.28
  6. Step 6: Final answer
    x = 123,503.25

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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.