Home / 129,070.56-193,576.64-49,079.93

Finding the Fourth Proportional to 129,070.56, 193,576.64 and 49,079.93

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Solution

The fourth proportional to 129,070.56, 193,576.64 and 49,079.93 is: 73,608.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,070.56 : 193,576.64 = 49,079.93 : x
  2. Step 2: Convert to fraction form
    129,070.56/193,576.64 = 49,079.93/x
  3. Step 3: Cross multiply
    129,070.56x = 193,576.64 × 49,079.93
  4. Step 4: Simplify right side
    129,070.56x = 9,500,726,727.55
  5. Step 5: Solve for x
    x = 9,500,726,727.55/129,070.56
  6. Step 6: Final answer
    x = 73,608.78

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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.