Home / 124,744.60-172,147.20-68,156.38

Finding the Fourth Proportional to 124,744.60, 172,147.20 and 68,156.38

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Solution

The fourth proportional to 124,744.60, 172,147.20 and 68,156.38 is: 94,055.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,744.60 : 172,147.20 = 68,156.38 : x
  2. Step 2: Convert to fraction form
    124,744.60/172,147.20 = 68,156.38/x
  3. Step 3: Cross multiply
    124,744.60x = 172,147.20 × 68,156.38
  4. Step 4: Simplify right side
    124,744.60x = 11,732,929,979.14
  5. Step 5: Solve for x
    x = 11,732,929,979.14/124,744.60
  6. Step 6: Final answer
    x = 94,055.61

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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.