Home / 154,260.90-231,381.63-49,155.30

Finding the Fourth Proportional to 154,260.90, 231,381.63 and 49,155.30

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Solution

The fourth proportional to 154,260.90, 231,381.63 and 49,155.30 is: 73,729.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,260.90 : 231,381.63 = 49,155.30 : x
  2. Step 2: Convert to fraction form
    154,260.90/231,381.63 = 49,155.30/x
  3. Step 3: Cross multiply
    154,260.90x = 231,381.63 × 49,155.30
  4. Step 4: Simplify right side
    154,260.90x = 11,373,633,437.14
  5. Step 5: Solve for x
    x = 11,373,633,437.14/154,260.90
  6. Step 6: Final answer
    x = 73,729.85

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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.