Home / 126,079.12-173,988.66-69,490.48

Finding the Fourth Proportional to 126,079.12, 173,988.66 and 69,490.48

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Solution

The fourth proportional to 126,079.12, 173,988.66 and 69,490.48 is: 95,896.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,079.12 : 173,988.66 = 69,490.48 : x
  2. Step 2: Convert to fraction form
    126,079.12/173,988.66 = 69,490.48/x
  3. Step 3: Cross multiply
    126,079.12x = 173,988.66 × 69,490.48
  4. Step 4: Simplify right side
    126,079.12x = 12,090,555,497.96
  5. Step 5: Solve for x
    x = 12,090,555,497.96/126,079.12
  6. Step 6: Final answer
    x = 95,896.57

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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.