Home / 131,200.48-181,066.44-80,222.86

Finding the Fourth Proportional to 131,200.48, 181,066.44 and 80,222.86

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Solution

The fourth proportional to 131,200.48, 181,066.44 and 80,222.86 is: 110,713.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,200.48 : 181,066.44 = 80,222.86 : x
  2. Step 2: Convert to fraction form
    131,200.48/181,066.44 = 80,222.86/x
  3. Step 3: Cross multiply
    131,200.48x = 181,066.44 × 80,222.86
  4. Step 4: Simplify right side
    131,200.48x = 14,525,667,666.82
  5. Step 5: Solve for x
    x = 14,525,667,666.82/131,200.48
  6. Step 6: Final answer
    x = 110,713.53

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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.