Home / 134,690.80-185,836.92-76,546.72

Finding the Fourth Proportional to 134,690.80, 185,836.92 and 76,546.72

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Solution

The fourth proportional to 134,690.80, 185,836.92 and 76,546.72 is: 105,613.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,690.80 : 185,836.92 = 76,546.72 : x
  2. Step 2: Convert to fraction form
    134,690.80/185,836.92 = 76,546.72/x
  3. Step 3: Cross multiply
    134,690.80x = 185,836.92 × 76,546.72
  4. Step 4: Simplify right side
    134,690.80x = 14,225,206,680.90
  5. Step 5: Solve for x
    x = 14,225,206,680.90/134,690.80
  6. Step 6: Final answer
    x = 105,613.80

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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.