Home / 126,029.81-173,920.82-69,441.18

Finding the Fourth Proportional to 126,029.81, 173,920.82 and 69,441.18

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Solution

The fourth proportional to 126,029.81, 173,920.82 and 69,441.18 is: 95,828.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,029.81 : 173,920.82 = 69,441.18 : x
  2. Step 2: Convert to fraction form
    126,029.81/173,920.82 = 69,441.18/x
  3. Step 3: Cross multiply
    126,029.81x = 173,920.82 × 69,441.18
  4. Step 4: Simplify right side
    126,029.81x = 12,077,266,620.16
  5. Step 5: Solve for x
    x = 12,077,266,620.16/126,029.81
  6. Step 6: Final answer
    x = 95,828.65

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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.