Home / 178,820.20-268,262.70-89,849.80

Finding the Fourth Proportional to 178,820.20, 268,262.70 and 89,849.80

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Solution

The fourth proportional to 178,820.20, 268,262.70 and 89,849.80 is: 134,790.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,820.20 : 268,262.70 = 89,849.80 : x
  2. Step 2: Convert to fraction form
    178,820.20/268,262.70 = 89,849.80/x
  3. Step 3: Cross multiply
    178,820.20x = 268,262.70 × 89,849.80
  4. Step 4: Simplify right side
    178,820.20x = 24,103,349,942.46
  5. Step 5: Solve for x
    x = 24,103,349,942.46/178,820.20
  6. Step 6: Final answer
    x = 134,790.98

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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.