Home / 119,581.65-165,023.73-65,868.53

Finding the Fourth Proportional to 119,581.65, 165,023.73 and 65,868.53

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Solution

The fourth proportional to 119,581.65, 165,023.73 and 65,868.53 is: 90,899.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,581.65 : 165,023.73 = 65,868.53 : x
  2. Step 2: Convert to fraction form
    119,581.65/165,023.73 = 65,868.53/x
  3. Step 3: Cross multiply
    119,581.65x = 165,023.73 × 65,868.53
  4. Step 4: Simplify right side
    119,581.65x = 10,869,869,685.10
  5. Step 5: Solve for x
    x = 10,869,869,685.10/119,581.65
  6. Step 6: Final answer
    x = 90,899.14

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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.