Home / 154,631.57-231,881.74-54,816.89

Finding the Fourth Proportional to 154,631.57, 231,881.74 and 54,816.89

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Solution

The fourth proportional to 154,631.57, 231,881.74 and 54,816.89 is: 82,202.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,631.57 : 231,881.74 = 54,816.89 : x
  2. Step 2: Convert to fraction form
    154,631.57/231,881.74 = 54,816.89/x
  3. Step 3: Cross multiply
    154,631.57x = 231,881.74 × 54,816.89
  4. Step 4: Simplify right side
    154,631.57x = 12,711,034,538.14
  5. Step 5: Solve for x
    x = 12,711,034,538.14/154,631.57
  6. Step 6: Final answer
    x = 82,202.07

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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.