Home / 151,101.12-208,524.60-83,125.92

Finding the Fourth Proportional to 151,101.12, 208,524.60 and 83,125.92

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Solution

The fourth proportional to 151,101.12, 208,524.60 and 83,125.92 is: 114,716.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,101.12 : 208,524.60 = 83,125.92 : x
  2. Step 2: Convert to fraction form
    151,101.12/208,524.60 = 83,125.92/x
  3. Step 3: Cross multiply
    151,101.12x = 208,524.60 × 83,125.92
  4. Step 4: Simplify right side
    151,101.12x = 17,333,799,217.63
  5. Step 5: Solve for x
    x = 17,333,799,217.63/151,101.12
  6. Step 6: Final answer
    x = 114,716.55

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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.