Home / 147,941.30-221,766.15-73,000.10

Finding the Fourth Proportional to 147,941.30, 221,766.15 and 73,000.10

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Solution

The fourth proportional to 147,941.30, 221,766.15 and 73,000.10 is: 109,428.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,941.30 : 221,766.15 = 73,000.10 : x
  2. Step 2: Convert to fraction form
    147,941.30/221,766.15 = 73,000.10/x
  3. Step 3: Cross multiply
    147,941.30x = 221,766.15 × 73,000.10
  4. Step 4: Simplify right side
    147,941.30x = 16,188,951,126.62
  5. Step 5: Solve for x
    x = 16,188,951,126.62/147,941.30
  6. Step 6: Final answer
    x = 109,428.21

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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.