Home / 180,727.92-249,414.12-100,164.24

Finding the Fourth Proportional to 180,727.92, 249,414.12 and 100,164.24

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Solution

The fourth proportional to 180,727.92, 249,414.12 and 100,164.24 is: 138,231.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,727.92 : 249,414.12 = 100,164.24 : x
  2. Step 2: Convert to fraction form
    180,727.92/249,414.12 = 100,164.24/x
  3. Step 3: Cross multiply
    180,727.92x = 249,414.12 × 100,164.24
  4. Step 4: Simplify right side
    180,727.92x = 24,982,375,775.07
  5. Step 5: Solve for x
    x = 24,982,375,775.07/180,727.92
  6. Step 6: Final answer
    x = 138,231.97

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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.