Home / 147,331.64-220,997.50-42,150.61

Finding the Fourth Proportional to 147,331.64, 220,997.50 and 42,150.61

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Solution

The fourth proportional to 147,331.64, 220,997.50 and 42,150.61 is: 63,225.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,331.64 : 220,997.50 = 42,150.61 : x
  2. Step 2: Convert to fraction form
    147,331.64/220,997.50 = 42,150.61/x
  3. Step 3: Cross multiply
    147,331.64x = 220,997.50 × 42,150.61
  4. Step 4: Simplify right side
    147,331.64x = 9,315,179,604.35
  5. Step 5: Solve for x
    x = 9,315,179,604.35/147,331.64
  6. Step 6: Final answer
    x = 63,225.93

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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.