Home / 124,138.75-171,310.04-67,549.15

Finding the Fourth Proportional to 124,138.75, 171,310.04 and 67,549.15

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Solution

The fourth proportional to 124,138.75, 171,310.04 and 67,549.15 is: 93,217.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,138.75 : 171,310.04 = 67,549.15 : x
  2. Step 2: Convert to fraction form
    124,138.75/171,310.04 = 67,549.15/x
  3. Step 3: Cross multiply
    124,138.75x = 171,310.04 × 67,549.15
  4. Step 4: Simplify right side
    124,138.75x = 11,571,847,250.72
  5. Step 5: Solve for x
    x = 11,571,847,250.72/124,138.75
  6. Step 6: Final answer
    x = 93,217.04

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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.