Home / 124,990.25-172,486.67-67,629.56

Finding the Fourth Proportional to 124,990.25, 172,486.67 and 67,629.56

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Solution

The fourth proportional to 124,990.25, 172,486.67 and 67,629.56 is: 93,328.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,990.25 : 172,486.67 = 67,629.56 : x
  2. Step 2: Convert to fraction form
    124,990.25/172,486.67 = 67,629.56/x
  3. Step 3: Cross multiply
    124,990.25x = 172,486.67 × 67,629.56
  4. Step 4: Simplify right side
    124,990.25x = 11,665,196,397.38
  5. Step 5: Solve for x
    x = 11,665,196,397.38/124,990.25
  6. Step 6: Final answer
    x = 93,328.85

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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.