Home / 134,148.69-185,084.81-80,414.10

Finding the Fourth Proportional to 134,148.69, 185,084.81 and 80,414.10

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Solution

The fourth proportional to 134,148.69, 185,084.81 and 80,414.10 is: 110,947.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,148.69 : 185,084.81 = 80,414.10 : x
  2. Step 2: Convert to fraction form
    134,148.69/185,084.81 = 80,414.10/x
  3. Step 3: Cross multiply
    134,148.69x = 185,084.81 × 80,414.10
  4. Step 4: Simplify right side
    134,148.69x = 14,883,428,419.82
  5. Step 5: Solve for x
    x = 14,883,428,419.82/134,148.69
  6. Step 6: Final answer
    x = 110,947.25

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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.