Home / 147,905.10-221,736.15-63,729.90

Finding the Fourth Proportional to 147,905.10, 221,736.15 and 63,729.90

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Solution

The fourth proportional to 147,905.10, 221,736.15 and 63,729.90 is: 95,542.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,905.10 : 221,736.15 = 63,729.90 : x
  2. Step 2: Convert to fraction form
    147,905.10/221,736.15 = 63,729.90/x
  3. Step 3: Cross multiply
    147,905.10x = 221,736.15 × 63,729.90
  4. Step 4: Simplify right side
    147,905.10x = 14,131,222,665.89
  5. Step 5: Solve for x
    x = 14,131,222,665.89/147,905.10
  6. Step 6: Final answer
    x = 95,542.50

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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.