Home / 124,899.47-172,356.99-71,201.79

Finding the Fourth Proportional to 124,899.47, 172,356.99 and 71,201.79

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Solution

The fourth proportional to 124,899.47, 172,356.99 and 71,201.79 is: 98,256.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,899.47 : 172,356.99 = 71,201.79 : x
  2. Step 2: Convert to fraction form
    124,899.47/172,356.99 = 71,201.79/x
  3. Step 3: Cross multiply
    124,899.47x = 172,356.99 × 71,201.79
  4. Step 4: Simplify right side
    124,899.47x = 12,272,126,207.01
  5. Step 5: Solve for x
    x = 12,272,126,207.01/124,899.47
  6. Step 6: Final answer
    x = 98,256.04

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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.