Home / 179,275.86-268,789.32-79,381.62

Finding the Fourth Proportional to 179,275.86, 268,789.32 and 79,381.62

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Solution

The fourth proportional to 179,275.86, 268,789.32 and 79,381.62 is: 119,017.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,275.86 : 268,789.32 = 79,381.62 : x
  2. Step 2: Convert to fraction form
    179,275.86/268,789.32 = 79,381.62/x
  3. Step 3: Cross multiply
    179,275.86x = 268,789.32 × 79,381.62
  4. Step 4: Simplify right side
    179,275.86x = 21,336,931,660.30
  5. Step 5: Solve for x
    x = 21,336,931,660.30/179,275.86
  6. Step 6: Final answer
    x = 119,017.32

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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.