Home / 134,186.22-185,186.66-80,470.26

Finding the Fourth Proportional to 134,186.22, 185,186.66 and 80,470.26

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Solution

The fourth proportional to 134,186.22, 185,186.66 and 80,470.26 is: 111,054.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,186.22 : 185,186.66 = 80,470.26 : x
  2. Step 2: Convert to fraction form
    134,186.22/185,186.66 = 80,470.26/x
  3. Step 3: Cross multiply
    134,186.22x = 185,186.66 × 80,470.26
  4. Step 4: Simplify right side
    134,186.22x = 14,902,018,276.38
  5. Step 5: Solve for x
    x = 14,902,018,276.38/134,186.22
  6. Step 6: Final answer
    x = 111,054.76

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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.