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Finding the Fourth Proportional to 126,776, 174,950.88 and 70,191.02

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Solution

The fourth proportional to 126,776, 174,950.88 and 70,191.02 is: 96,863.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,776 : 174,950.88 = 70,191.02 : x
  2. Step 2: Convert to fraction form
    126,776/174,950.88 = 70,191.02/x
  3. Step 3: Cross multiply
    126,776x = 174,950.88 × 70,191.02
  4. Step 4: Simplify right side
    126,776x = 12,279,980,717.10
  5. Step 5: Solve for x
    x = 12,279,980,717.10/126,776
  6. Step 6: Final answer
    x = 96,863.61

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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.