Home / 117,334.80-161,921.52-63,619.56

Finding the Fourth Proportional to 117,334.80, 161,921.52 and 63,619.56

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Solution

The fourth proportional to 117,334.80, 161,921.52 and 63,619.56 is: 87,794.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,334.80 : 161,921.52 = 63,619.56 : x
  2. Step 2: Convert to fraction form
    117,334.80/161,921.52 = 63,619.56/x
  3. Step 3: Cross multiply
    117,334.80x = 161,921.52 × 63,619.56
  4. Step 4: Simplify right side
    117,334.80x = 10,301,375,856.93
  5. Step 5: Solve for x
    x = 10,301,375,856.93/117,334.80
  6. Step 6: Final answer
    x = 87,794.72

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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.