Home / 180,714.22-249,365.30-100,121.38

Finding the Fourth Proportional to 180,714.22, 249,365.30 and 100,121.38

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Solution

The fourth proportional to 180,714.22, 249,365.30 and 100,121.38 is: 138,156.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,714.22 : 249,365.30 = 100,121.38 : x
  2. Step 2: Convert to fraction form
    180,714.22/249,365.30 = 100,121.38/x
  3. Step 3: Cross multiply
    180,714.22x = 249,365.30 × 100,121.38
  4. Step 4: Simplify right side
    180,714.22x = 24,966,797,960.11
  5. Step 5: Solve for x
    x = 24,966,797,960.11/180,714.22
  6. Step 6: Final answer
    x = 138,156.24

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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.