Home / 162,921.20-244,228.56-87,928.96

Finding the Fourth Proportional to 162,921.20, 244,228.56 and 87,928.96

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Solution

The fourth proportional to 162,921.20, 244,228.56 and 87,928.96 is: 131,810.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,921.20 : 244,228.56 = 87,928.96 : x
  2. Step 2: Convert to fraction form
    162,921.20/244,228.56 = 87,928.96/x
  3. Step 3: Cross multiply
    162,921.20x = 244,228.56 × 87,928.96
  4. Step 4: Simplify right side
    162,921.20x = 21,474,763,283.10
  5. Step 5: Solve for x
    x = 21,474,763,283.10/162,921.20
  6. Step 6: Final answer
    x = 131,810.74

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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.