Home / 126,862.53-175,070.44-68,719.38

Finding the Fourth Proportional to 126,862.53, 175,070.44 and 68,719.38

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Solution

The fourth proportional to 126,862.53, 175,070.44 and 68,719.38 is: 94,832.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,862.53 : 175,070.44 = 68,719.38 : x
  2. Step 2: Convert to fraction form
    126,862.53/175,070.44 = 68,719.38/x
  3. Step 3: Cross multiply
    126,862.53x = 175,070.44 × 68,719.38
  4. Step 4: Simplify right side
    126,862.53x = 12,030,732,187.21
  5. Step 5: Solve for x
    x = 12,030,732,187.21/126,862.53
  6. Step 6: Final answer
    x = 94,832.83

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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.