Home / 127,516.16-175,867.62-113,186.48

Finding the Fourth Proportional to 127,516.16, 175,867.62 and 113,186.48

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Solution

The fourth proportional to 127,516.16, 175,867.62 and 113,186.48 is: 156,104.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,516.16 : 175,867.62 = 113,186.48 : x
  2. Step 2: Convert to fraction form
    127,516.16/175,867.62 = 113,186.48/x
  3. Step 3: Cross multiply
    127,516.16x = 175,867.62 × 113,186.48
  4. Step 4: Simplify right side
    127,516.16x = 19,905,836,853.78
  5. Step 5: Solve for x
    x = 19,905,836,853.78/127,516.16
  6. Step 6: Final answer
    x = 156,104.43

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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.