Home / 125,110.22-172,664.46-71,403.26

Finding the Fourth Proportional to 125,110.22, 172,664.46 and 71,403.26

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Solution

The fourth proportional to 125,110.22, 172,664.46 and 71,403.26 is: 98,543.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,110.22 : 172,664.46 = 71,403.26 : x
  2. Step 2: Convert to fraction form
    125,110.22/172,664.46 = 71,403.26/x
  3. Step 3: Cross multiply
    125,110.22x = 172,664.46 × 71,403.26
  4. Step 4: Simplify right side
    125,110.22x = 12,328,805,761.80
  5. Step 5: Solve for x
    x = 12,328,805,761.80/125,110.22
  6. Step 6: Final answer
    x = 98,543.55

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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.