Home / 119,579.88-165,020.03-65,868.53

Finding the Fourth Proportional to 119,579.88, 165,020.03 and 65,868.53

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Solution

The fourth proportional to 119,579.88, 165,020.03 and 65,868.53 is: 90,898.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,579.88 : 165,020.03 = 65,868.53 : x
  2. Step 2: Convert to fraction form
    119,579.88/165,020.03 = 65,868.53/x
  3. Step 3: Cross multiply
    119,579.88x = 165,020.03 × 65,868.53
  4. Step 4: Simplify right side
    119,579.88x = 10,869,626,796.66
  5. Step 5: Solve for x
    x = 10,869,626,796.66/119,579.88
  6. Step 6: Final answer
    x = 90,898.46

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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.