Home / 119,895.12-165,454.34-66,180.10

Finding the Fourth Proportional to 119,895.12, 165,454.34 and 66,180.10

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Solution

The fourth proportional to 119,895.12, 165,454.34 and 66,180.10 is: 91,328.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,895.12 : 165,454.34 = 66,180.10 : x
  2. Step 2: Convert to fraction form
    119,895.12/165,454.34 = 66,180.10/x
  3. Step 3: Cross multiply
    119,895.12x = 165,454.34 × 66,180.10
  4. Step 4: Simplify right side
    119,895.12x = 10,949,784,766.63
  5. Step 5: Solve for x
    x = 10,949,784,766.63/119,895.12
  6. Step 6: Final answer
    x = 91,328.03

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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.