Home / 147,019.73-220,503.24-38,949.84

Finding the Fourth Proportional to 147,019.73, 220,503.24 and 38,949.84

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Solution

The fourth proportional to 147,019.73, 220,503.24 and 38,949.84 is: 58,417.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,019.73 : 220,503.24 = 38,949.84 : x
  2. Step 2: Convert to fraction form
    147,019.73/220,503.24 = 38,949.84/x
  3. Step 3: Cross multiply
    147,019.73x = 220,503.24 × 38,949.84
  4. Step 4: Simplify right side
    147,019.73x = 8,588,565,917.48
  5. Step 5: Solve for x
    x = 8,588,565,917.48/147,019.73
  6. Step 6: Final answer
    x = 58,417.78

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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.