Home / 119,786.20-179,700.90-49,672.60

Finding the Fourth Proportional to 119,786.20, 179,700.90 and 49,672.60

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Solution

The fourth proportional to 119,786.20, 179,700.90 and 49,672.60 is: 74,517.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,786.20 : 179,700.90 = 49,672.60 : x
  2. Step 2: Convert to fraction form
    119,786.20/179,700.90 = 49,672.60/x
  3. Step 3: Cross multiply
    119,786.20x = 179,700.90 × 49,672.60
  4. Step 4: Simplify right side
    119,786.20x = 8,926,210,925.34
  5. Step 5: Solve for x
    x = 8,926,210,925.34/119,786.20
  6. Step 6: Final answer
    x = 74,517.86

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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.