Home / 180,691.52-249,343.86-100,114.26

Finding the Fourth Proportional to 180,691.52, 249,343.86 and 100,114.26

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Solution

The fourth proportional to 180,691.52, 249,343.86 and 100,114.26 is: 138,151.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,691.52 : 249,343.86 = 100,114.26 : x
  2. Step 2: Convert to fraction form
    180,691.52/249,343.86 = 100,114.26/x
  3. Step 3: Cross multiply
    180,691.52x = 249,343.86 × 100,114.26
  4. Step 4: Simplify right side
    180,691.52x = 24,962,876,029.44
  5. Step 5: Solve for x
    x = 24,962,876,029.44/180,691.52
  6. Step 6: Final answer
    x = 138,151.90

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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.