Home / 119,833.38-165,369.60-66,121.74

Finding the Fourth Proportional to 119,833.38, 165,369.60 and 66,121.74

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Solution

The fourth proportional to 119,833.38, 165,369.60 and 66,121.74 is: 91,247.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,833.38 : 165,369.60 = 66,121.74 : x
  2. Step 2: Convert to fraction form
    119,833.38/165,369.60 = 66,121.74/x
  3. Step 3: Cross multiply
    119,833.38x = 165,369.60 × 66,121.74
  4. Step 4: Simplify right side
    119,833.38x = 10,934,525,695.10
  5. Step 5: Solve for x
    x = 10,934,525,695.10/119,833.38
  6. Step 6: Final answer
    x = 91,247.74

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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.