Home / 147,385.08-221,076.90-42,204

Finding the Fourth Proportional to 147,385.08, 221,076.90 and 42,204

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Solution

The fourth proportional to 147,385.08, 221,076.90 and 42,204 is: 63,305.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,385.08 : 221,076.90 = 42,204 : x
  2. Step 2: Convert to fraction form
    147,385.08/221,076.90 = 42,204/x
  3. Step 3: Cross multiply
    147,385.08x = 221,076.90 × 42,204
  4. Step 4: Simplify right side
    147,385.08x = 9,330,329,487.60
  5. Step 5: Solve for x
    x = 9,330,329,487.60/147,385.08
  6. Step 6: Final answer
    x = 63,305.79

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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.