Home / 179,112.20-268,841.10-90,465.80

Finding the Fourth Proportional to 179,112.20, 268,841.10 and 90,465.80

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Solution

The fourth proportional to 179,112.20, 268,841.10 and 90,465.80 is: 135,785.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,112.20 : 268,841.10 = 90,465.80 : x
  2. Step 2: Convert to fraction form
    179,112.20/268,841.10 = 90,465.80/x
  3. Step 3: Cross multiply
    179,112.20x = 268,841.10 × 90,465.80
  4. Step 4: Simplify right side
    179,112.20x = 24,320,925,184.38
  5. Step 5: Solve for x
    x = 24,320,925,184.38/179,112.20
  6. Step 6: Final answer
    x = 135,785.98

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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.