Home / 165,248.23-247,828.07-71,731.75

Finding the Fourth Proportional to 165,248.23, 247,828.07 and 71,731.75

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Solution

The fourth proportional to 165,248.23, 247,828.07 and 71,731.75 is: 107,578.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,248.23 : 247,828.07 = 71,731.75 : x
  2. Step 2: Convert to fraction form
    165,248.23/247,828.07 = 71,731.75/x
  3. Step 3: Cross multiply
    165,248.23x = 247,828.07 × 71,731.75
  4. Step 4: Simplify right side
    165,248.23x = 17,777,140,801.56
  5. Step 5: Solve for x
    x = 17,777,140,801.56/165,248.23
  6. Step 6: Final answer
    x = 107,578.40

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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.