Home / 178,330.14-266,976.71-138,767.34

Finding the Fourth Proportional to 178,330.14, 266,976.71 and 138,767.34

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Solution

The fourth proportional to 178,330.14, 266,976.71 and 138,767.34 is: 207,747.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,330.14 : 266,976.71 = 138,767.34 : x
  2. Step 2: Convert to fraction form
    178,330.14/266,976.71 = 138,767.34/x
  3. Step 3: Cross multiply
    178,330.14x = 266,976.71 × 138,767.34
  4. Step 4: Simplify right side
    178,330.14x = 37,047,647,888.65
  5. Step 5: Solve for x
    x = 37,047,647,888.65/178,330.14
  6. Step 6: Final answer
    x = 207,747.54

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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.