Home / 83,307.19-124,960.69-27,147.21

Finding the Fourth Proportional to 83,307.19, 124,960.69 and 27,147.21

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Solution

The fourth proportional to 83,307.19, 124,960.69 and 27,147.21 is: 40,720.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,307.19 : 124,960.69 = 27,147.21 : x
  2. Step 2: Convert to fraction form
    83,307.19/124,960.69 = 27,147.21/x
  3. Step 3: Cross multiply
    83,307.19x = 124,960.69 × 27,147.21
  4. Step 4: Simplify right side
    83,307.19x = 3,392,333,957.44
  5. Step 5: Solve for x
    x = 3,392,333,957.44/83,307.19
  6. Step 6: Final answer
    x = 40,720.78

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1.5x scale

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.