Home / 121,426.26-182,029.13-42,497.43

Finding the Fourth Proportional to 121,426.26, 182,029.13 and 42,497.43

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Solution

The fourth proportional to 121,426.26, 182,029.13 and 42,497.43 is: 63,707.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,426.26 : 182,029.13 = 42,497.43 : x
  2. Step 2: Convert to fraction form
    121,426.26/182,029.13 = 42,497.43/x
  3. Step 3: Cross multiply
    121,426.26x = 182,029.13 × 42,497.43
  4. Step 4: Simplify right side
    121,426.26x = 7,735,770,210.14
  5. Step 5: Solve for x
    x = 7,735,770,210.14/121,426.26
  6. Step 6: Final answer
    x = 63,707.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.