Home / 147,821.28-221,593.68-54,301.92

Finding the Fourth Proportional to 147,821.28, 221,593.68 and 54,301.92

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Solution

The fourth proportional to 147,821.28, 221,593.68 and 54,301.92 is: 81,402.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,821.28 : 221,593.68 = 54,301.92 : x
  2. Step 2: Convert to fraction form
    147,821.28/221,593.68 = 54,301.92/x
  3. Step 3: Cross multiply
    147,821.28x = 221,593.68 × 54,301.92
  4. Step 4: Simplify right side
    147,821.28x = 12,032,962,283.87
  5. Step 5: Solve for x
    x = 12,032,962,283.87/147,821.28
  6. Step 6: Final answer
    x = 81,402.10

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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.