Home / 117,649.20-162,357.48-63,935.28

Finding the Fourth Proportional to 117,649.20, 162,357.48 and 63,935.28

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Solution

The fourth proportional to 117,649.20, 162,357.48 and 63,935.28 is: 88,231.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,649.20 : 162,357.48 = 63,935.28 : x
  2. Step 2: Convert to fraction form
    117,649.20/162,357.48 = 63,935.28/x
  3. Step 3: Cross multiply
    117,649.20x = 162,357.48 × 63,935.28
  4. Step 4: Simplify right side
    117,649.20x = 10,380,370,943.89
  5. Step 5: Solve for x
    x = 10,380,370,943.89/117,649.20
  6. Step 6: Final answer
    x = 88,231.55

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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.