Home / 119,566.90-165,003.38-65,853.78

Finding the Fourth Proportional to 119,566.90, 165,003.38 and 65,853.78

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Solution

The fourth proportional to 119,566.90, 165,003.38 and 65,853.78 is: 90,878.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,566.90 : 165,003.38 = 65,853.78 : x
  2. Step 2: Convert to fraction form
    119,566.90/165,003.38 = 65,853.78/x
  3. Step 3: Cross multiply
    119,566.90x = 165,003.38 × 65,853.78
  4. Step 4: Simplify right side
    119,566.90x = 10,866,096,285.78
  5. Step 5: Solve for x
    x = 10,866,096,285.78/119,566.90
  6. Step 6: Final answer
    x = 90,878.80

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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.