Home / 134,604.43-185,751.55-74,180.65

Finding the Fourth Proportional to 134,604.43, 185,751.55 and 74,180.65

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Solution

The fourth proportional to 134,604.43, 185,751.55 and 74,180.65 is: 102,367.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,604.43 : 185,751.55 = 74,180.65 : x
  2. Step 2: Convert to fraction form
    134,604.43/185,751.55 = 74,180.65/x
  3. Step 3: Cross multiply
    134,604.43x = 185,751.55 × 74,180.65
  4. Step 4: Simplify right side
    134,604.43x = 13,779,170,717.51
  5. Step 5: Solve for x
    x = 13,779,170,717.51/134,604.43
  6. Step 6: Final answer
    x = 102,367.88

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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.