Home / 147,077.43-220,587.08-40,433.86

Finding the Fourth Proportional to 147,077.43, 220,587.08 and 40,433.86

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Solution

The fourth proportional to 147,077.43, 220,587.08 and 40,433.86 is: 60,642.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,077.43 : 220,587.08 = 40,433.86 : x
  2. Step 2: Convert to fraction form
    147,077.43/220,587.08 = 40,433.86/x
  3. Step 3: Cross multiply
    147,077.43x = 220,587.08 × 40,433.86
  4. Step 4: Simplify right side
    147,077.43x = 8,919,187,110.53
  5. Step 5: Solve for x
    x = 8,919,187,110.53/147,077.43
  6. Step 6: Final answer
    x = 60,642.80

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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.