Home / 147,553.20-221,385.69-88,431.30

Finding the Fourth Proportional to 147,553.20, 221,385.69 and 88,431.30

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Solution

The fourth proportional to 147,553.20, 221,385.69 and 88,431.30 is: 132,680.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,553.20 : 221,385.69 = 88,431.30 : x
  2. Step 2: Convert to fraction form
    147,553.20/221,385.69 = 88,431.30/x
  3. Step 3: Cross multiply
    147,553.20x = 221,385.69 × 88,431.30
  4. Step 4: Simplify right side
    147,553.20x = 19,577,424,368.10
  5. Step 5: Solve for x
    x = 19,577,424,368.10/147,553.20
  6. Step 6: Final answer
    x = 132,680.45

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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.