Home / 144,187.24-216,230.76-80,242.96

Finding the Fourth Proportional to 144,187.24, 216,230.76 and 80,242.96

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Solution

The fourth proportional to 144,187.24, 216,230.76 and 80,242.96 is: 120,336.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,187.24 : 216,230.76 = 80,242.96 : x
  2. Step 2: Convert to fraction form
    144,187.24/216,230.76 = 80,242.96/x
  3. Step 3: Cross multiply
    144,187.24x = 216,230.76 × 80,242.96
  4. Step 4: Simplify right side
    144,187.24x = 17,350,995,144.30
  5. Step 5: Solve for x
    x = 17,350,995,144.30/144,187.24
  6. Step 6: Final answer
    x = 120,336.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.