Home / 162,027.81-243,057.92-67,238.37

Finding the Fourth Proportional to 162,027.81, 243,057.92 and 67,238.37

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Solution

The fourth proportional to 162,027.81, 243,057.92 and 67,238.37 is: 100,864.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,027.81 : 243,057.92 = 67,238.37 : x
  2. Step 2: Convert to fraction form
    162,027.81/243,057.92 = 67,238.37/x
  3. Step 3: Cross multiply
    162,027.81x = 243,057.92 × 67,238.37
  4. Step 4: Simplify right side
    162,027.81x = 16,342,818,020.20
  5. Step 5: Solve for x
    x = 16,342,818,020.20/162,027.81
  6. Step 6: Final answer
    x = 100,864.28

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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.