Home / 134,148.65-185,084.77-80,414.06

Finding the Fourth Proportional to 134,148.65, 185,084.77 and 80,414.06

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Solution

The fourth proportional to 134,148.65, 185,084.77 and 80,414.06 is: 110,947.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,148.65 : 185,084.77 = 80,414.06 : x
  2. Step 2: Convert to fraction form
    134,148.65/185,084.77 = 80,414.06/x
  3. Step 3: Cross multiply
    134,148.65x = 185,084.77 × 80,414.06
  4. Step 4: Simplify right side
    134,148.65x = 14,883,418,061.54
  5. Step 5: Solve for x
    x = 14,883,418,061.54/134,148.65
  6. Step 6: Final answer
    x = 110,947.21

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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.