Home / 115,251.26-159,056.26-64,257.10

Finding the Fourth Proportional to 115,251.26, 159,056.26 and 64,257.10

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Solution

The fourth proportional to 115,251.26, 159,056.26 and 64,257.10 is: 88,680.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,251.26 : 159,056.26 = 64,257.10 : x
  2. Step 2: Convert to fraction form
    115,251.26/159,056.26 = 64,257.10/x
  3. Step 3: Cross multiply
    115,251.26x = 159,056.26 × 64,257.10
  4. Step 4: Simplify right side
    115,251.26x = 10,220,493,446.16
  5. Step 5: Solve for x
    x = 10,220,493,446.16/115,251.26
  6. Step 6: Final answer
    x = 88,680.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.