Home / 119,748.48-165,249.12-66,035.76

Finding the Fourth Proportional to 119,748.48, 165,249.12 and 66,035.76

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Solution

The fourth proportional to 119,748.48, 165,249.12 and 66,035.76 is: 91,127.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,748.48 : 165,249.12 = 66,035.76 : x
  2. Step 2: Convert to fraction form
    119,748.48/165,249.12 = 66,035.76/x
  3. Step 3: Cross multiply
    119,748.48x = 165,249.12 × 66,035.76
  4. Step 4: Simplify right side
    119,748.48x = 10,912,351,228.53
  5. Step 5: Solve for x
    x = 10,912,351,228.53/119,748.48
  6. Step 6: Final answer
    x = 91,127.26

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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.