Home / 119,822.80-165,388.36-69,538

Finding the Fourth Proportional to 119,822.80, 165,388.36 and 69,538

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Solution

The fourth proportional to 119,822.80, 165,388.36 and 69,538 is: 95,981.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,822.80 : 165,388.36 = 69,538 : x
  2. Step 2: Convert to fraction form
    119,822.80/165,388.36 = 69,538/x
  3. Step 3: Cross multiply
    119,822.80x = 165,388.36 × 69,538
  4. Step 4: Simplify right side
    119,822.80x = 11,500,775,777.68
  5. Step 5: Solve for x
    x = 11,500,775,777.68/119,822.80
  6. Step 6: Final answer
    x = 95,981.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.