Home / 124,817.09-172,227.47-71,103.15

Finding the Fourth Proportional to 124,817.09, 172,227.47 and 71,103.15

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Solution

The fourth proportional to 124,817.09, 172,227.47 and 71,103.15 is: 98,110.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,817.09 : 172,227.47 = 71,103.15 : x
  2. Step 2: Convert to fraction form
    124,817.09/172,227.47 = 71,103.15/x
  3. Step 3: Cross multiply
    124,817.09x = 172,227.47 × 71,103.15
  4. Step 4: Simplify right side
    124,817.09x = 12,245,915,278.01
  5. Step 5: Solve for x
    x = 12,245,915,278.01/124,817.09
  6. Step 6: Final answer
    x = 98,110.89

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1.5x scale

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.