Home / 178,818.20-268,259.70-89,847.80

Finding the Fourth Proportional to 178,818.20, 268,259.70 and 89,847.80

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Solution

The fourth proportional to 178,818.20, 268,259.70 and 89,847.80 is: 134,787.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,818.20 : 268,259.70 = 89,847.80 : x
  2. Step 2: Convert to fraction form
    178,818.20/268,259.70 = 89,847.80/x
  3. Step 3: Cross multiply
    178,818.20x = 268,259.70 × 89,847.80
  4. Step 4: Simplify right side
    178,818.20x = 24,102,543,873.66
  5. Step 5: Solve for x
    x = 24,102,543,873.66/178,818.20
  6. Step 6: Final answer
    x = 134,787.98

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1.5x scale

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.