Home / 134,767.12-185,979.92-74,340.31

Finding the Fourth Proportional to 134,767.12, 185,979.92 and 74,340.31

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Solution

The fourth proportional to 134,767.12, 185,979.92 and 74,340.31 is: 102,590.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,767.12 : 185,979.92 = 74,340.31 : x
  2. Step 2: Convert to fraction form
    134,767.12/185,979.92 = 74,340.31/x
  3. Step 3: Cross multiply
    134,767.12x = 185,979.92 × 74,340.31
  4. Step 4: Simplify right side
    134,767.12x = 13,825,803,604.97
  5. Step 5: Solve for x
    x = 13,825,803,604.97/134,767.12
  6. Step 6: Final answer
    x = 102,590.34

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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.