Home / 105,936.40-158,947.92-56,003.20

Finding the Fourth Proportional to 105,936.40, 158,947.92 and 56,003.20

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Solution

The fourth proportional to 105,936.40, 158,947.92 and 56,003.20 is: 84,027.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,936.40 : 158,947.92 = 56,003.20 : x
  2. Step 2: Convert to fraction form
    105,936.40/158,947.92 = 56,003.20/x
  3. Step 3: Cross multiply
    105,936.40x = 158,947.92 × 56,003.20
  4. Step 4: Simplify right side
    105,936.40x = 8,901,592,153.34
  5. Step 5: Solve for x
    x = 8,901,592,153.34/105,936.40
  6. Step 6: Final answer
    x = 84,027.70

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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.