Home / 119,749.80-165,262.24-66,034.80

Finding the Fourth Proportional to 119,749.80, 165,262.24 and 66,034.80

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Solution

The fourth proportional to 119,749.80, 165,262.24 and 66,034.80 is: 91,132.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,749.80 : 165,262.24 = 66,034.80 : x
  2. Step 2: Convert to fraction form
    119,749.80/165,262.24 = 66,034.80/x
  3. Step 3: Cross multiply
    119,749.80x = 165,262.24 × 66,034.80
  4. Step 4: Simplify right side
    119,749.80x = 10,913,058,965.95
  5. Step 5: Solve for x
    x = 10,913,058,965.95/119,749.80
  6. Step 6: Final answer
    x = 91,132.17

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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.