Home / 158,917.71-219,327.45-102,493.11

Finding the Fourth Proportional to 158,917.71, 219,327.45 and 102,493.11

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Solution

The fourth proportional to 158,917.71, 219,327.45 and 102,493.11 is: 141,454.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,917.71 : 219,327.45 = 102,493.11 : x
  2. Step 2: Convert to fraction form
    158,917.71/219,327.45 = 102,493.11/x
  3. Step 3: Cross multiply
    158,917.71x = 219,327.45 × 102,493.11
  4. Step 4: Simplify right side
    158,917.71x = 22,479,552,458.87
  5. Step 5: Solve for x
    x = 22,479,552,458.87/158,917.71
  6. Step 6: Final answer
    x = 141,454.04

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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.