Home / 126,455.97-174,507.16-69,872.61

Finding the Fourth Proportional to 126,455.97, 174,507.16 and 69,872.61

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Solution

The fourth proportional to 126,455.97, 174,507.16 and 69,872.61 is: 96,423.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,455.97 : 174,507.16 = 69,872.61 : x
  2. Step 2: Convert to fraction form
    126,455.97/174,507.16 = 69,872.61/x
  3. Step 3: Cross multiply
    126,455.97x = 174,507.16 × 69,872.61
  4. Step 4: Simplify right side
    126,455.97x = 12,193,270,732.89
  5. Step 5: Solve for x
    x = 12,193,270,732.89/126,455.97
  6. Step 6: Final answer
    x = 96,423.05

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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.