Home / 117,236.23-161,785.96-63,521.28

Finding the Fourth Proportional to 117,236.23, 161,785.96 and 63,521.28

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Solution

The fourth proportional to 117,236.23, 161,785.96 and 63,521.28 is: 87,659.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,236.23 : 161,785.96 = 63,521.28 : x
  2. Step 2: Convert to fraction form
    117,236.23/161,785.96 = 63,521.28/x
  3. Step 3: Cross multiply
    117,236.23x = 161,785.96 × 63,521.28
  4. Step 4: Simplify right side
    117,236.23x = 10,276,851,106.43
  5. Step 5: Solve for x
    x = 10,276,851,106.43/117,236.23
  6. Step 6: Final answer
    x = 87,659.35

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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.