Home / 129,023.56-193,558.02-58,909.96

Finding the Fourth Proportional to 129,023.56, 193,558.02 and 58,909.96

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Solution

The fourth proportional to 129,023.56, 193,558.02 and 58,909.96 is: 88,375.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,023.56 : 193,558.02 = 58,909.96 : x
  2. Step 2: Convert to fraction form
    129,023.56/193,558.02 = 58,909.96/x
  3. Step 3: Cross multiply
    129,023.56x = 193,558.02 × 58,909.96
  4. Step 4: Simplify right side
    129,023.56x = 11,402,495,215.88
  5. Step 5: Solve for x
    x = 11,402,495,215.88/129,023.56
  6. Step 6: Final answer
    x = 88,375.30

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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.