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Finding the Fourth Proportional to 180,891.59, 249,624.11 and 100,326.61

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Solution

The fourth proportional to 180,891.59, 249,624.11 and 100,326.61 is: 138,447.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,891.59 : 249,624.11 = 100,326.61 : x
  2. Step 2: Convert to fraction form
    180,891.59/249,624.11 = 100,326.61/x
  3. Step 3: Cross multiply
    180,891.59x = 249,624.11 × 100,326.61
  4. Step 4: Simplify right side
    180,891.59x = 25,043,940,228.93
  5. Step 5: Solve for x
    x = 25,043,940,228.93/180,891.59
  6. Step 6: Final answer
    x = 138,447.24

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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.