Home / 154,376.10-231,581.16-49,170.87

Finding the Fourth Proportional to 154,376.10, 231,581.16 and 49,170.87

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Solution

The fourth proportional to 154,376.10, 231,581.16 and 49,170.87 is: 73,761.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,376.10 : 231,581.16 = 49,170.87 : x
  2. Step 2: Convert to fraction form
    154,376.10/231,581.16 = 49,170.87/x
  3. Step 3: Cross multiply
    154,376.10x = 231,581.16 × 49,170.87
  4. Step 4: Simplify right side
    154,376.10x = 11,387,047,112.81
  5. Step 5: Solve for x
    x = 11,387,047,112.81/154,376.10
  6. Step 6: Final answer
    x = 73,761.72

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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.