Home / 165,247.48-247,826.94-71,731

Finding the Fourth Proportional to 165,247.48, 247,826.94 and 71,731

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Solution

The fourth proportional to 165,247.48, 247,826.94 and 71,731 is: 107,577.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,247.48 : 247,826.94 = 71,731 : x
  2. Step 2: Convert to fraction form
    165,247.48/247,826.94 = 71,731/x
  3. Step 3: Cross multiply
    165,247.48x = 247,826.94 × 71,731
  4. Step 4: Simplify right side
    165,247.48x = 17,776,874,233.14
  5. Step 5: Solve for x
    x = 17,776,874,233.14/165,247.48
  6. Step 6: Final answer
    x = 107,577.28

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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.