Home / 124,139.25-171,310.73-67,549.65

Finding the Fourth Proportional to 124,139.25, 171,310.73 and 67,549.65

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Solution

The fourth proportional to 124,139.25, 171,310.73 and 67,549.65 is: 93,217.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,139.25 : 171,310.73 = 67,549.65 : x
  2. Step 2: Convert to fraction form
    124,139.25/171,310.73 = 67,549.65/x
  3. Step 3: Cross multiply
    124,139.25x = 171,310.73 × 67,549.65
  4. Step 4: Simplify right side
    124,139.25x = 11,571,979,515.00
  5. Step 5: Solve for x
    x = 11,571,979,515.00/124,139.25
  6. Step 6: Final answer
    x = 93,217.73

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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.