Home / 117,244.38-161,787.66-66,261.48

Finding the Fourth Proportional to 117,244.38, 161,787.66 and 66,261.48

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Solution

The fourth proportional to 117,244.38, 161,787.66 and 66,261.48 is: 91,435.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,244.38 : 161,787.66 = 66,261.48 : x
  2. Step 2: Convert to fraction form
    117,244.38/161,787.66 = 66,261.48/x
  3. Step 3: Cross multiply
    117,244.38x = 161,787.66 × 66,261.48
  4. Step 4: Simplify right side
    117,244.38x = 10,720,289,797.34
  5. Step 5: Solve for x
    x = 10,720,289,797.34/117,244.38
  6. Step 6: Final answer
    x = 91,435.43

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1.5x scale

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.