Home / 180,767.10-249,459.12-100,195.95

Finding the Fourth Proportional to 180,767.10, 249,459.12 and 100,195.95

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Solution

The fourth proportional to 180,767.10, 249,459.12 and 100,195.95 is: 138,270.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,767.10 : 249,459.12 = 100,195.95 : x
  2. Step 2: Convert to fraction form
    180,767.10/249,459.12 = 100,195.95/x
  3. Step 3: Cross multiply
    180,767.10x = 249,459.12 × 100,195.95
  4. Step 4: Simplify right side
    180,767.10x = 24,994,793,514.56
  5. Step 5: Solve for x
    x = 24,994,793,514.56/180,767.10
  6. Step 6: Final answer
    x = 138,270.70

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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.