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Finding the Fourth Proportional to 115,512.04, 159,496.86 and 88,612

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Solution

The fourth proportional to 115,512.04, 159,496.86 and 88,612 is: 122,353.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,512.04 : 159,496.86 = 88,612 : x
  2. Step 2: Convert to fraction form
    115,512.04/159,496.86 = 88,612/x
  3. Step 3: Cross multiply
    115,512.04x = 159,496.86 × 88,612
  4. Step 4: Simplify right side
    115,512.04x = 14,133,335,758.32
  5. Step 5: Solve for x
    x = 14,133,335,758.32/115,512.04
  6. Step 6: Final answer
    x = 122,353.79

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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.