Home / 124,717.26-172,103.34-71,002.11

Finding the Fourth Proportional to 124,717.26, 172,103.34 and 71,002.11

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Solution

The fourth proportional to 124,717.26, 172,103.34 and 71,002.11 is: 97,979.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,717.26 : 172,103.34 = 71,002.11 : x
  2. Step 2: Convert to fraction form
    124,717.26/172,103.34 = 71,002.11/x
  3. Step 3: Cross multiply
    124,717.26x = 172,103.34 × 71,002.11
  4. Step 4: Simplify right side
    124,717.26x = 12,219,700,278.05
  5. Step 5: Solve for x
    x = 12,219,700,278.05/124,717.26
  6. Step 6: Final answer
    x = 97,979.22

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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.