Home / 215,035.20-296,766.54-119,550.78

Finding the Fourth Proportional to 215,035.20, 296,766.54 and 119,550.78

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Solution

The fourth proportional to 215,035.20, 296,766.54 and 119,550.78 is: 164,990.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,035.20 : 296,766.54 = 119,550.78 : x
  2. Step 2: Convert to fraction form
    215,035.20/296,766.54 = 119,550.78/x
  3. Step 3: Cross multiply
    215,035.20x = 296,766.54 × 119,550.78
  4. Step 4: Simplify right side
    215,035.20x = 35,478,671,334.90
  5. Step 5: Solve for x
    x = 35,478,671,334.90/215,035.20
  6. Step 6: Final answer
    x = 164,990.06

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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.