Home / 107,382.19-160,951.75-54,680.35

Finding the Fourth Proportional to 107,382.19, 160,951.75 and 54,680.35

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Solution

The fourth proportional to 107,382.19, 160,951.75 and 54,680.35 is: 81,958.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,382.19 : 160,951.75 = 54,680.35 : x
  2. Step 2: Convert to fraction form
    107,382.19/160,951.75 = 54,680.35/x
  3. Step 3: Cross multiply
    107,382.19x = 160,951.75 × 54,680.35
  4. Step 4: Simplify right side
    107,382.19x = 8,800,898,023.11
  5. Step 5: Solve for x
    x = 8,800,898,023.11/107,382.19
  6. Step 6: Final answer
    x = 81,958.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.