Home / 231,964.14-320,080.59-136,435.98

Finding the Fourth Proportional to 231,964.14, 320,080.59 and 136,435.98

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Solution

The fourth proportional to 231,964.14, 320,080.59 and 136,435.98 is: 188,264.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,964.14 : 320,080.59 = 136,435.98 : x
  2. Step 2: Convert to fraction form
    231,964.14/320,080.59 = 136,435.98/x
  3. Step 3: Cross multiply
    231,964.14x = 320,080.59 × 136,435.98
  4. Step 4: Simplify right side
    231,964.14x = 43,670,508,975.63
  5. Step 5: Solve for x
    x = 43,670,508,975.63/231,964.14
  6. Step 6: Final answer
    x = 188,264.05

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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.