Home / 179,146.46-268,823.54-90,406.90

Finding the Fourth Proportional to 179,146.46, 268,823.54 and 90,406.90

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Solution

The fourth proportional to 179,146.46, 268,823.54 and 90,406.90 is: 135,662.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,146.46 : 268,823.54 = 90,406.90 : x
  2. Step 2: Convert to fraction form
    179,146.46/268,823.54 = 90,406.90/x
  3. Step 3: Cross multiply
    179,146.46x = 268,823.54 × 90,406.90
  4. Step 4: Simplify right side
    179,146.46x = 24,303,502,898.43
  5. Step 5: Solve for x
    x = 24,303,502,898.43/179,146.46
  6. Step 6: Final answer
    x = 135,662.76

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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.