Home / 115,845.32-159,853.38-64,850.96

Finding the Fourth Proportional to 115,845.32, 159,853.38 and 64,850.96

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Solution

The fourth proportional to 115,845.32, 159,853.38 and 64,850.96 is: 89,486.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,845.32 : 159,853.38 = 64,850.96 : x
  2. Step 2: Convert to fraction form
    115,845.32/159,853.38 = 64,850.96/x
  3. Step 3: Cross multiply
    115,845.32x = 159,853.38 × 64,850.96
  4. Step 4: Simplify right side
    115,845.32x = 10,366,645,152.24
  5. Step 5: Solve for x
    x = 10,366,645,152.24/115,845.32
  6. Step 6: Final answer
    x = 89,486.96

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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.