Home / 178,810.20-268,247.70-89,839.80

Finding the Fourth Proportional to 178,810.20, 268,247.70 and 89,839.80

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Solution

The fourth proportional to 178,810.20, 268,247.70 and 89,839.80 is: 134,775.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,810.20 : 268,247.70 = 89,839.80 : x
  2. Step 2: Convert to fraction form
    178,810.20/268,247.70 = 89,839.80/x
  3. Step 3: Cross multiply
    178,810.20x = 268,247.70 × 89,839.80
  4. Step 4: Simplify right side
    178,810.20x = 24,099,319,718.46
  5. Step 5: Solve for x
    x = 24,099,319,718.46/178,810.20
  6. Step 6: Final answer
    x = 134,775.98

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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.