Home / 120,986.48-166,963.27-66,541.04

Finding the Fourth Proportional to 120,986.48, 166,963.27 and 66,541.04

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Solution

The fourth proportional to 120,986.48, 166,963.27 and 66,541.04 is: 91,827.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,986.48 : 166,963.27 = 66,541.04 : x
  2. Step 2: Convert to fraction form
    120,986.48/166,963.27 = 66,541.04/x
  3. Step 3: Cross multiply
    120,986.48x = 166,963.27 × 66,541.04
  4. Step 4: Simplify right side
    120,986.48x = 11,109,908,626.43
  5. Step 5: Solve for x
    x = 11,109,908,626.43/120,986.48
  6. Step 6: Final answer
    x = 91,827.69

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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.