Home / 155,310.97-214,277.59-126,581.23

Finding the Fourth Proportional to 155,310.97, 214,277.59 and 126,581.23

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Solution

The fourth proportional to 155,310.97, 214,277.59 and 126,581.23 is: 174,640.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,310.97 : 214,277.59 = 126,581.23 : x
  2. Step 2: Convert to fraction form
    155,310.97/214,277.59 = 126,581.23/x
  3. Step 3: Cross multiply
    155,310.97x = 214,277.59 × 126,581.23
  4. Step 4: Simplify right side
    155,310.97x = 27,123,520,903.64
  5. Step 5: Solve for x
    x = 27,123,520,903.64/155,310.97
  6. Step 6: Final answer
    x = 174,640.08

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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.