Home / 118,233.83-177,282.47-80,839.19

Finding the Fourth Proportional to 118,233.83, 177,282.47 and 80,839.19

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Solution

The fourth proportional to 118,233.83, 177,282.47 and 80,839.19 is: 121,212.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,233.83 : 177,282.47 = 80,839.19 : x
  2. Step 2: Convert to fraction form
    118,233.83/177,282.47 = 80,839.19/x
  3. Step 3: Cross multiply
    118,233.83x = 177,282.47 × 80,839.19
  4. Step 4: Simplify right side
    118,233.83x = 14,331,370,591.68
  5. Step 5: Solve for x
    x = 14,331,370,591.68/118,233.83
  6. Step 6: Final answer
    x = 121,212.10

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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.