Home / 124,975.78-187,463.67-54,855.70

Finding the Fourth Proportional to 124,975.78, 187,463.67 and 54,855.70

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Solution

The fourth proportional to 124,975.78, 187,463.67 and 54,855.70 is: 82,283.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,975.78 : 187,463.67 = 54,855.70 : x
  2. Step 2: Convert to fraction form
    124,975.78/187,463.67 = 54,855.70/x
  3. Step 3: Cross multiply
    124,975.78x = 187,463.67 × 54,855.70
  4. Step 4: Simplify right side
    124,975.78x = 10,283,450,842.42
  5. Step 5: Solve for x
    x = 10,283,450,842.42/124,975.78
  6. Step 6: Final answer
    x = 82,283.55

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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.