Home / 147,819.28-221,590.68-54,299.92

Finding the Fourth Proportional to 147,819.28, 221,590.68 and 54,299.92

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Solution

The fourth proportional to 147,819.28, 221,590.68 and 54,299.92 is: 81,399.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,819.28 : 221,590.68 = 54,299.92 : x
  2. Step 2: Convert to fraction form
    147,819.28/221,590.68 = 54,299.92/x
  3. Step 3: Cross multiply
    147,819.28x = 221,590.68 × 54,299.92
  4. Step 4: Simplify right side
    147,819.28x = 12,032,356,196.75
  5. Step 5: Solve for x
    x = 12,032,356,196.75/147,819.28
  6. Step 6: Final answer
    x = 81,399.10

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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.