Home / 180,902.03-249,653.14-100,324.75

Finding the Fourth Proportional to 180,902.03, 249,653.14 and 100,324.75

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Solution

The fourth proportional to 180,902.03, 249,653.14 and 100,324.75 is: 138,452.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,902.03 : 249,653.14 = 100,324.75 : x
  2. Step 2: Convert to fraction form
    180,902.03/249,653.14 = 100,324.75/x
  3. Step 3: Cross multiply
    180,902.03x = 249,653.14 × 100,324.75
  4. Step 4: Simplify right side
    180,902.03x = 25,046,388,979.72
  5. Step 5: Solve for x
    x = 25,046,388,979.72/180,902.03
  6. Step 6: Final answer
    x = 138,452.78

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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.