Home / 112,065.80-167,951.10-82,344.20

Finding the Fourth Proportional to 112,065.80, 167,951.10 and 82,344.20

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Solution

The fourth proportional to 112,065.80, 167,951.10 and 82,344.20 is: 123,407.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,065.80 : 167,951.10 = 82,344.20 : x
  2. Step 2: Convert to fraction form
    112,065.80/167,951.10 = 82,344.20/x
  3. Step 3: Cross multiply
    112,065.80x = 167,951.10 × 82,344.20
  4. Step 4: Simplify right side
    112,065.80x = 13,829,798,968.62
  5. Step 5: Solve for x
    x = 13,829,798,968.62/112,065.80
  6. Step 6: Final answer
    x = 123,407.85

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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.