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Finding the Fourth Proportional to 181,480.50, 250,443.09 and 101,992.50

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Solution

The fourth proportional to 181,480.50, 250,443.09 and 101,992.50 is: 140,749.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,480.50 : 250,443.09 = 101,992.50 : x
  2. Step 2: Convert to fraction form
    181,480.50/250,443.09 = 101,992.50/x
  3. Step 3: Cross multiply
    181,480.50x = 250,443.09 × 101,992.50
  4. Step 4: Simplify right side
    181,480.50x = 25,543,316,856.83
  5. Step 5: Solve for x
    x = 25,543,316,856.83/181,480.50
  6. Step 6: Final answer
    x = 140,749.65

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1.5x scale

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.