Home / 168,631.20-252,990.54-89,680.50

Finding the Fourth Proportional to 168,631.20, 252,990.54 and 89,680.50

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Solution

The fourth proportional to 168,631.20, 252,990.54 and 89,680.50 is: 134,544.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,631.20 : 252,990.54 = 89,680.50 : x
  2. Step 2: Convert to fraction form
    168,631.20/252,990.54 = 89,680.50/x
  3. Step 3: Cross multiply
    168,631.20x = 252,990.54 × 89,680.50
  4. Step 4: Simplify right side
    168,631.20x = 22,688,318,122.47
  5. Step 5: Solve for x
    x = 22,688,318,122.47/168,631.20
  6. Step 6: Final answer
    x = 134,544.01

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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.