Home / 129,071.40-193,577.86-49,080.85

Finding the Fourth Proportional to 129,071.40, 193,577.86 and 49,080.85

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Solution

The fourth proportional to 129,071.40, 193,577.86 and 49,080.85 is: 73,610.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,071.40 : 193,577.86 = 49,080.85 : x
  2. Step 2: Convert to fraction form
    129,071.40/193,577.86 = 49,080.85/x
  3. Step 3: Cross multiply
    129,071.40x = 193,577.86 × 49,080.85
  4. Step 4: Simplify right side
    129,071.40x = 9,500,965,909.98
  5. Step 5: Solve for x
    x = 9,500,965,909.98/129,071.40
  6. Step 6: Final answer
    x = 73,610.16

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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.