Home / 124,827.82-172,262.91-71,115.10

Finding the Fourth Proportional to 124,827.82, 172,262.91 and 71,115.10

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Solution

The fourth proportional to 124,827.82, 172,262.91 and 71,115.10 is: 98,139.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,827.82 : 172,262.91 = 71,115.10 : x
  2. Step 2: Convert to fraction form
    124,827.82/172,262.91 = 71,115.10/x
  3. Step 3: Cross multiply
    124,827.82x = 172,262.91 × 71,115.10
  4. Step 4: Simplify right side
    124,827.82x = 12,250,494,070.94
  5. Step 5: Solve for x
    x = 12,250,494,070.94/124,827.82
  6. Step 6: Final answer
    x = 98,139.13

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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.