Home / 119,849.10-165,385.32-66,123.60

Finding the Fourth Proportional to 119,849.10, 165,385.32 and 66,123.60

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Solution

The fourth proportional to 119,849.10, 165,385.32 and 66,123.60 is: 91,247.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,849.10 : 165,385.32 = 66,123.60 : x
  2. Step 2: Convert to fraction form
    119,849.10/165,385.32 = 66,123.60/x
  3. Step 3: Cross multiply
    119,849.10x = 165,385.32 × 66,123.60
  4. Step 4: Simplify right side
    119,849.10x = 10,935,872,745.55
  5. Step 5: Solve for x
    x = 10,935,872,745.55/119,849.10
  6. Step 6: Final answer
    x = 91,247.02

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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.