Home / 181,107.60-271,442.70-92,315.40

Finding the Fourth Proportional to 181,107.60, 271,442.70 and 92,315.40

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Solution

The fourth proportional to 181,107.60, 271,442.70 and 92,315.40 is: 138,361.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,107.60 : 271,442.70 = 92,315.40 : x
  2. Step 2: Convert to fraction form
    181,107.60/271,442.70 = 92,315.40/x
  3. Step 3: Cross multiply
    181,107.60x = 271,442.70 × 92,315.40
  4. Step 4: Simplify right side
    181,107.60x = 25,058,341,427.58
  5. Step 5: Solve for x
    x = 25,058,341,427.58/181,107.60
  6. Step 6: Final answer
    x = 138,361.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.