Home / 105,961.32-158,657.40-55,937.34

Finding the Fourth Proportional to 105,961.32, 158,657.40 and 55,937.34

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Solution

The fourth proportional to 105,961.32, 158,657.40 and 55,937.34 is: 83,755.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,961.32 : 158,657.40 = 55,937.34 : x
  2. Step 2: Convert to fraction form
    105,961.32/158,657.40 = 55,937.34/x
  3. Step 3: Cross multiply
    105,961.32x = 158,657.40 × 55,937.34
  4. Step 4: Simplify right side
    105,961.32x = 8,874,872,927.32
  5. Step 5: Solve for x
    x = 8,874,872,927.32/105,961.32
  6. Step 6: Final answer
    x = 83,755.78

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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.