Home / 160,397.22-221,340.24-91,489.38

Finding the Fourth Proportional to 160,397.22, 221,340.24 and 91,489.38

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Solution

The fourth proportional to 160,397.22, 221,340.24 and 91,489.38 is: 126,250.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,397.22 : 221,340.24 = 91,489.38 : x
  2. Step 2: Convert to fraction form
    160,397.22/221,340.24 = 91,489.38/x
  3. Step 3: Cross multiply
    160,397.22x = 221,340.24 × 91,489.38
  4. Step 4: Simplify right side
    160,397.22x = 20,250,281,326.65
  5. Step 5: Solve for x
    x = 20,250,281,326.65/160,397.22
  6. Step 6: Final answer
    x = 126,250.82

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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.