Home / 177,939.24-266,632.38-112,137

Finding the Fourth Proportional to 177,939.24, 266,632.38 and 112,137

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Solution

The fourth proportional to 177,939.24, 266,632.38 and 112,137 is: 168,031.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,939.24 : 266,632.38 = 112,137 : x
  2. Step 2: Convert to fraction form
    177,939.24/266,632.38 = 112,137/x
  3. Step 3: Cross multiply
    177,939.24x = 266,632.38 × 112,137
  4. Step 4: Simplify right side
    177,939.24x = 29,899,355,196.06
  5. Step 5: Solve for x
    x = 29,899,355,196.06/177,939.24
  6. Step 6: Final answer
    x = 168,031.26

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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.