Home / 83,184.40-124,718.16-29,135.85

Finding the Fourth Proportional to 83,184.40, 124,718.16 and 29,135.85

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Solution

The fourth proportional to 83,184.40, 124,718.16 and 29,135.85 is: 43,683.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,184.40 : 124,718.16 = 29,135.85 : x
  2. Step 2: Convert to fraction form
    83,184.40/124,718.16 = 29,135.85/x
  3. Step 3: Cross multiply
    83,184.40x = 124,718.16 × 29,135.85
  4. Step 4: Simplify right side
    83,184.40x = 3,633,769,945.14
  5. Step 5: Solve for x
    x = 3,633,769,945.14/83,184.40
  6. Step 6: Final answer
    x = 43,683.31

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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.