Home / 119,939.95-165,516.42-66,224.53

Finding the Fourth Proportional to 119,939.95, 165,516.42 and 66,224.53

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Solution

The fourth proportional to 119,939.95, 165,516.42 and 66,224.53 is: 91,389.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,939.95 : 165,516.42 = 66,224.53 : x
  2. Step 2: Convert to fraction form
    119,939.95/165,516.42 = 66,224.53/x
  3. Step 3: Cross multiply
    119,939.95x = 165,516.42 × 66,224.53
  4. Step 4: Simplify right side
    119,939.95x = 10,961,247,121.78
  5. Step 5: Solve for x
    x = 10,961,247,121.78/119,939.95
  6. Step 6: Final answer
    x = 91,389.46

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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.