Home / 151,331.20-208,834.48-83,354.53

Finding the Fourth Proportional to 151,331.20, 208,834.48 and 83,354.53

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Solution

The fourth proportional to 151,331.20, 208,834.48 and 83,354.53 is: 115,027.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,331.20 : 208,834.48 = 83,354.53 : x
  2. Step 2: Convert to fraction form
    151,331.20/208,834.48 = 83,354.53/x
  3. Step 3: Cross multiply
    151,331.20x = 208,834.48 × 83,354.53
  4. Step 4: Simplify right side
    151,331.20x = 17,407,299,197.72
  5. Step 5: Solve for x
    x = 17,407,299,197.72/151,331.20
  6. Step 6: Final answer
    x = 115,027.83

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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.