Home / 134,333.94-185,382.38-76,972.13

Finding the Fourth Proportional to 134,333.94, 185,382.38 and 76,972.13

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Solution

The fourth proportional to 134,333.94, 185,382.38 and 76,972.13 is: 106,222.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,333.94 : 185,382.38 = 76,972.13 : x
  2. Step 2: Convert to fraction form
    134,333.94/185,382.38 = 76,972.13/x
  3. Step 3: Cross multiply
    134,333.94x = 185,382.38 × 76,972.13
  4. Step 4: Simplify right side
    134,333.94x = 14,269,275,918.59
  5. Step 5: Solve for x
    x = 14,269,275,918.59/134,333.94
  6. Step 6: Final answer
    x = 106,222.42

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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.