Home / 124,306.12-171,540.90-67,716.28

Finding the Fourth Proportional to 124,306.12, 171,540.90 and 67,716.28

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Solution

The fourth proportional to 124,306.12, 171,540.90 and 67,716.28 is: 93,447.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,306.12 : 171,540.90 = 67,716.28 : x
  2. Step 2: Convert to fraction form
    124,306.12/171,540.90 = 67,716.28/x
  3. Step 3: Cross multiply
    124,306.12x = 171,540.90 × 67,716.28
  4. Step 4: Simplify right side
    124,306.12x = 11,616,111,615.85
  5. Step 5: Solve for x
    x = 11,616,111,615.85/124,306.12
  6. Step 6: Final answer
    x = 93,447.62

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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.