Home / 215,563.62-297,485.20-124,919.76

Finding the Fourth Proportional to 215,563.62, 297,485.20 and 124,919.76

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Solution

The fourth proportional to 215,563.62, 297,485.20 and 124,919.76 is: 172,393.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,563.62 : 297,485.20 = 124,919.76 : x
  2. Step 2: Convert to fraction form
    215,563.62/297,485.20 = 124,919.76/x
  3. Step 3: Cross multiply
    215,563.62x = 297,485.20 × 124,919.76
  4. Step 4: Simplify right side
    215,563.62x = 37,161,779,787.55
  5. Step 5: Solve for x
    x = 37,161,779,787.55/215,563.62
  6. Step 6: Final answer
    x = 172,393.56

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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.