Home / 119,977.74-165,566.11-66,261.60

Finding the Fourth Proportional to 119,977.74, 165,566.11 and 66,261.60

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Solution

The fourth proportional to 119,977.74, 165,566.11 and 66,261.60 is: 91,439.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,977.74 : 165,566.11 = 66,261.60 : x
  2. Step 2: Convert to fraction form
    119,977.74/165,566.11 = 66,261.60/x
  3. Step 3: Cross multiply
    119,977.74x = 165,566.11 × 66,261.60
  4. Step 4: Simplify right side
    119,977.74x = 10,970,675,354.38
  5. Step 5: Solve for x
    x = 10,970,675,354.38/119,977.74
  6. Step 6: Final answer
    x = 91,439.26

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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.