Home / 123,799.80-170,843.20-67,211.16

Finding the Fourth Proportional to 123,799.80, 170,843.20 and 67,211.16

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Solution

The fourth proportional to 123,799.80, 170,843.20 and 67,211.16 is: 92,751.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,799.80 : 170,843.20 = 67,211.16 : x
  2. Step 2: Convert to fraction form
    123,799.80/170,843.20 = 67,211.16/x
  3. Step 3: Cross multiply
    123,799.80x = 170,843.20 × 67,211.16
  4. Step 4: Simplify right side
    123,799.80x = 11,482,569,650.11
  5. Step 5: Solve for x
    x = 11,482,569,650.11/123,799.80
  6. Step 6: Final answer
    x = 92,751.12

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1.5x scale

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.