Home / 109,382.04-163,794.15-87,227.73

Finding the Fourth Proportional to 109,382.04, 163,794.15 and 87,227.73

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Solution

The fourth proportional to 109,382.04, 163,794.15 and 87,227.73 is: 130,619.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,382.04 : 163,794.15 = 87,227.73 : x
  2. Step 2: Convert to fraction form
    109,382.04/163,794.15 = 87,227.73/x
  3. Step 3: Cross multiply
    109,382.04x = 163,794.15 × 87,227.73
  4. Step 4: Simplify right side
    109,382.04x = 14,287,391,891.78
  5. Step 5: Solve for x
    x = 14,287,391,891.78/109,382.04
  6. Step 6: Final answer
    x = 130,619.18

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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.