Home / 180,545.33-249,273.59-112,589.78

Finding the Fourth Proportional to 180,545.33, 249,273.59 and 112,589.78

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Solution

The fourth proportional to 180,545.33, 249,273.59 and 112,589.78 is: 155,449.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,545.33 : 249,273.59 = 112,589.78 : x
  2. Step 2: Convert to fraction form
    180,545.33/249,273.59 = 112,589.78/x
  3. Step 3: Cross multiply
    180,545.33x = 249,273.59 × 112,589.78
  4. Step 4: Simplify right side
    180,545.33x = 28,065,656,848.59
  5. Step 5: Solve for x
    x = 28,065,656,848.59/180,545.33
  6. Step 6: Final answer
    x = 155,449.36

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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.