Home / 119,748.24-165,259.98-66,033.18

Finding the Fourth Proportional to 119,748.24, 165,259.98 and 66,033.18

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Solution

The fourth proportional to 119,748.24, 165,259.98 and 66,033.18 is: 91,129.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,748.24 : 165,259.98 = 66,033.18 : x
  2. Step 2: Convert to fraction form
    119,748.24/165,259.98 = 66,033.18/x
  3. Step 3: Cross multiply
    119,748.24x = 165,259.98 × 66,033.18
  4. Step 4: Simplify right side
    119,748.24x = 10,912,642,006.14
  5. Step 5: Solve for x
    x = 10,912,642,006.14/119,748.24
  6. Step 6: Final answer
    x = 91,129.87

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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.