Home / 180,919.29-249,505.20-112,942.55

Finding the Fourth Proportional to 180,919.29, 249,505.20 and 112,942.55

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Solution

The fourth proportional to 180,919.29, 249,505.20 and 112,942.55 is: 155,758.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,919.29 : 249,505.20 = 112,942.55 : x
  2. Step 2: Convert to fraction form
    180,919.29/249,505.20 = 112,942.55/x
  3. Step 3: Cross multiply
    180,919.29x = 249,505.20 × 112,942.55
  4. Step 4: Simplify right side
    180,919.29x = 28,179,752,278.73
  5. Step 5: Solve for x
    x = 28,179,752,278.73/180,919.29
  6. Step 6: Final answer
    x = 155,758.69

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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.