Home / 124,305.20-171,542.30-67,716.57

Finding the Fourth Proportional to 124,305.20, 171,542.30 and 67,716.57

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Solution

The fourth proportional to 124,305.20, 171,542.30 and 67,716.57 is: 93,449.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,305.20 : 171,542.30 = 67,716.57 : x
  2. Step 2: Convert to fraction form
    124,305.20/171,542.30 = 67,716.57/x
  3. Step 3: Cross multiply
    124,305.20x = 171,542.30 × 67,716.57
  4. Step 4: Simplify right side
    124,305.20x = 11,616,255,827.33
  5. Step 5: Solve for x
    x = 11,616,255,827.33/124,305.20
  6. Step 6: Final answer
    x = 93,449.48

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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.