Home / 126,502.80-174,575.16-69,143.76

Finding the Fourth Proportional to 126,502.80, 174,575.16 and 69,143.76

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Solution

The fourth proportional to 126,502.80, 174,575.16 and 69,143.76 is: 95,419.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,502.80 : 174,575.16 = 69,143.76 : x
  2. Step 2: Convert to fraction form
    126,502.80/174,575.16 = 69,143.76/x
  3. Step 3: Cross multiply
    126,502.80x = 174,575.16 × 69,143.76
  4. Step 4: Simplify right side
    126,502.80x = 12,070,782,965.00
  5. Step 5: Solve for x
    x = 12,070,782,965.00/126,502.80
  6. Step 6: Final answer
    x = 95,419.10

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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.