Home / 83,108.27-125,223.38-68,641.26

Finding the Fourth Proportional to 83,108.27, 125,223.38 and 68,641.26

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Solution

The fourth proportional to 83,108.27, 125,223.38 and 68,641.26 is: 103,425.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,108.27 : 125,223.38 = 68,641.26 : x
  2. Step 2: Convert to fraction form
    83,108.27/125,223.38 = 68,641.26/x
  3. Step 3: Cross multiply
    83,108.27x = 125,223.38 × 68,641.26
  4. Step 4: Simplify right side
    83,108.27x = 8,595,490,241.45
  5. Step 5: Solve for x
    x = 8,595,490,241.45/83,108.27
  6. Step 6: Final answer
    x = 103,425.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.