Home / 147,392.38-203,382.46-83,717.88

Finding the Fourth Proportional to 147,392.38, 203,382.46 and 83,717.88

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Solution

The fourth proportional to 147,392.38, 203,382.46 and 83,717.88 is: 115,519.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,392.38 : 203,382.46 = 83,717.88 : x
  2. Step 2: Convert to fraction form
    147,392.38/203,382.46 = 83,717.88/x
  3. Step 3: Cross multiply
    147,392.38x = 203,382.46 × 83,717.88
  4. Step 4: Simplify right side
    147,392.38x = 17,026,748,380.38
  5. Step 5: Solve for x
    x = 17,026,748,380.38/147,392.38
  6. Step 6: Final answer
    x = 115,519.87

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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.