Home / 155,787.44-215,014.66-148,687.90

Finding the Fourth Proportional to 155,787.44, 215,014.66 and 148,687.90

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Solution

The fourth proportional to 155,787.44, 215,014.66 and 148,687.90 is: 205,216.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,787.44 : 215,014.66 = 148,687.90 : x
  2. Step 2: Convert to fraction form
    155,787.44/215,014.66 = 148,687.90/x
  3. Step 3: Cross multiply
    155,787.44x = 215,014.66 × 148,687.90
  4. Step 4: Simplify right side
    155,787.44x = 31,970,077,355.36
  5. Step 5: Solve for x
    x = 31,970,077,355.36/155,787.44
  6. Step 6: Final answer
    x = 205,216.02

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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.