Home / 126,233.76-174,153.60-72,499.20

Finding the Fourth Proportional to 126,233.76, 174,153.60 and 72,499.20

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Solution

The fourth proportional to 126,233.76, 174,153.60 and 72,499.20 is: 100,020.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,233.76 : 174,153.60 = 72,499.20 : x
  2. Step 2: Convert to fraction form
    126,233.76/174,153.60 = 72,499.20/x
  3. Step 3: Cross multiply
    126,233.76x = 174,153.60 × 72,499.20
  4. Step 4: Simplify right side
    126,233.76x = 12,625,996,677.12
  5. Step 5: Solve for x
    x = 12,625,996,677.12/126,233.76
  6. Step 6: Final answer
    x = 100,020.76

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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.