Home / 147,398.92-221,060.10-42,193.28

Finding the Fourth Proportional to 147,398.92, 221,060.10 and 42,193.28

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Solution

The fourth proportional to 147,398.92, 221,060.10 and 42,193.28 is: 63,278.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,398.92 : 221,060.10 = 42,193.28 : x
  2. Step 2: Convert to fraction form
    147,398.92/221,060.10 = 42,193.28/x
  3. Step 3: Cross multiply
    147,398.92x = 221,060.10 × 42,193.28
  4. Step 4: Simplify right side
    147,398.92x = 9,327,250,696.13
  5. Step 5: Solve for x
    x = 9,327,250,696.13/147,398.92
  6. Step 6: Final answer
    x = 63,278.96

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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.