Home / 138,296.70-190,747.62-95,290.56

Finding the Fourth Proportional to 138,296.70, 190,747.62 and 95,290.56

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Solution

The fourth proportional to 138,296.70, 190,747.62 and 95,290.56 is: 131,430.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,296.70 : 190,747.62 = 95,290.56 : x
  2. Step 2: Convert to fraction form
    138,296.70/190,747.62 = 95,290.56/x
  3. Step 3: Cross multiply
    138,296.70x = 190,747.62 × 95,290.56
  4. Step 4: Simplify right side
    138,296.70x = 18,176,447,528.47
  5. Step 5: Solve for x
    x = 18,176,447,528.47/138,296.70
  6. Step 6: Final answer
    x = 131,430.81

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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.