Home / 180,707.55-249,385.80-100,144.14

Finding the Fourth Proportional to 180,707.55, 249,385.80 and 100,144.14

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Solution

The fourth proportional to 180,707.55, 249,385.80 and 100,144.14 is: 138,204.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,707.55 : 249,385.80 = 100,144.14 : x
  2. Step 2: Convert to fraction form
    180,707.55/249,385.80 = 100,144.14/x
  3. Step 3: Cross multiply
    180,707.55x = 249,385.80 × 100,144.14
  4. Step 4: Simplify right side
    180,707.55x = 24,974,526,469.21
  5. Step 5: Solve for x
    x = 24,974,526,469.21/180,707.55
  6. Step 6: Final answer
    x = 138,204.11

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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.