Home / 124,829.82-172,265.67-71,117.10

Finding the Fourth Proportional to 124,829.82, 172,265.67 and 71,117.10

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Solution

The fourth proportional to 124,829.82, 172,265.67 and 71,117.10 is: 98,141.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,829.82 : 172,265.67 = 71,117.10 : x
  2. Step 2: Convert to fraction form
    124,829.82/172,265.67 = 71,117.10/x
  3. Step 3: Cross multiply
    124,829.82x = 172,265.67 × 71,117.10
  4. Step 4: Simplify right side
    124,829.82x = 12,251,034,879.96
  5. Step 5: Solve for x
    x = 12,251,034,879.96/124,829.82
  6. Step 6: Final answer
    x = 98,141.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.