Home / 125,218.88-172,759.20-71,465.12

Finding the Fourth Proportional to 125,218.88, 172,759.20 and 71,465.12

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Solution

The fourth proportional to 125,218.88, 172,759.20 and 71,465.12 is: 98,597.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,218.88 : 172,759.20 = 71,465.12 : x
  2. Step 2: Convert to fraction form
    125,218.88/172,759.20 = 71,465.12/x
  3. Step 3: Cross multiply
    125,218.88x = 172,759.20 × 71,465.12
  4. Step 4: Simplify right side
    125,218.88x = 12,346,256,959.10
  5. Step 5: Solve for x
    x = 12,346,256,959.10/125,218.88
  6. Step 6: Final answer
    x = 98,597.41

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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.