Home / 162,381.03-243,723.41-82,476.15

Finding the Fourth Proportional to 162,381.03, 243,723.41 and 82,476.15

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Solution

The fourth proportional to 162,381.03, 243,723.41 and 82,476.15 is: 123,791.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,381.03 : 243,723.41 = 82,476.15 : x
  2. Step 2: Convert to fraction form
    162,381.03/243,723.41 = 82,476.15/x
  3. Step 3: Cross multiply
    162,381.03x = 243,723.41 × 82,476.15
  4. Step 4: Simplify right side
    162,381.03x = 20,101,368,521.67
  5. Step 5: Solve for x
    x = 20,101,368,521.67/162,381.03
  6. Step 6: Final answer
    x = 123,791.36

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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.