Home / 117,185.28-161,714.40-63,468.96

Finding the Fourth Proportional to 117,185.28, 161,714.40 and 63,468.96

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Solution

The fourth proportional to 117,185.28, 161,714.40 and 63,468.96 is: 87,586.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,185.28 : 161,714.40 = 63,468.96 : x
  2. Step 2: Convert to fraction form
    117,185.28/161,714.40 = 63,468.96/x
  3. Step 3: Cross multiply
    117,185.28x = 161,714.40 × 63,468.96
  4. Step 4: Simplify right side
    117,185.28x = 10,263,844,785.02
  5. Step 5: Solve for x
    x = 10,263,844,785.02/117,185.28
  6. Step 6: Final answer
    x = 87,586.47

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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.