Home / 89,659.45-134,446.20-52,230.16

Finding the Fourth Proportional to 89,659.45, 134,446.20 and 52,230.16

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Solution

The fourth proportional to 89,659.45, 134,446.20 and 52,230.16 is: 78,320.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,659.45 : 134,446.20 = 52,230.16 : x
  2. Step 2: Convert to fraction form
    89,659.45/134,446.20 = 52,230.16/x
  3. Step 3: Cross multiply
    89,659.45x = 134,446.20 × 52,230.16
  4. Step 4: Simplify right side
    89,659.45x = 7,022,146,537.39
  5. Step 5: Solve for x
    x = 7,022,146,537.39/89,659.45
  6. Step 6: Final answer
    x = 78,320.21

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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.