Home / 124,899.60-172,357.16-71,201.90

Finding the Fourth Proportional to 124,899.60, 172,357.16 and 71,201.90

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Solution

The fourth proportional to 124,899.60, 172,357.16 and 71,201.90 is: 98,256.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,899.60 : 172,357.16 = 71,201.90 : x
  2. Step 2: Convert to fraction form
    124,899.60/172,357.16 = 71,201.90/x
  3. Step 3: Cross multiply
    124,899.60x = 172,357.16 × 71,201.90
  4. Step 4: Simplify right side
    124,899.60x = 12,272,157,270.60
  5. Step 5: Solve for x
    x = 12,272,157,270.60/124,899.60
  6. Step 6: Final answer
    x = 98,256.18

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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.