Home / 125,010.97-172,515.14-68,422.35

Finding the Fourth Proportional to 125,010.97, 172,515.14 and 68,422.35

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Solution

The fourth proportional to 125,010.97, 172,515.14 and 68,422.35 is: 94,422.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,010.97 : 172,515.14 = 68,422.35 : x
  2. Step 2: Convert to fraction form
    125,010.97/172,515.14 = 68,422.35/x
  3. Step 3: Cross multiply
    125,010.97x = 172,515.14 × 68,422.35
  4. Step 4: Simplify right side
    125,010.97x = 11,803,890,426.80
  5. Step 5: Solve for x
    x = 11,803,890,426.80/125,010.97
  6. Step 6: Final answer
    x = 94,422.84

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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.