Home / 181,230.72-250,091.47-100,663.41

Finding the Fourth Proportional to 181,230.72, 250,091.47 and 100,663.41

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Solution

The fourth proportional to 181,230.72, 250,091.47 and 100,663.41 is: 138,911.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,230.72 : 250,091.47 = 100,663.41 : x
  2. Step 2: Convert to fraction form
    181,230.72/250,091.47 = 100,663.41/x
  3. Step 3: Cross multiply
    181,230.72x = 250,091.47 × 100,663.41
  4. Step 4: Simplify right side
    181,230.72x = 25,175,060,182.11
  5. Step 5: Solve for x
    x = 25,175,060,182.11/181,230.72
  6. Step 6: Final answer
    x = 138,911.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.