Home / 119,956.20-179,934.53-31,209.56

Finding the Fourth Proportional to 119,956.20, 179,934.53 and 31,209.56

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Solution

The fourth proportional to 119,956.20, 179,934.53 and 31,209.56 is: 46,814.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,956.20 : 179,934.53 = 31,209.56 : x
  2. Step 2: Convert to fraction form
    119,956.20/179,934.53 = 31,209.56/x
  3. Step 3: Cross multiply
    119,956.20x = 179,934.53 × 31,209.56
  4. Step 4: Simplify right side
    119,956.20x = 5,615,676,454.39
  5. Step 5: Solve for x
    x = 5,615,676,454.39/119,956.20
  6. Step 6: Final answer
    x = 46,814.39

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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.