Home / 110,321.64-165,488.72-31,442.02

Finding the Fourth Proportional to 110,321.64, 165,488.72 and 31,442.02

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Solution

The fourth proportional to 110,321.64, 165,488.72 and 31,442.02 is: 47,164.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,321.64 : 165,488.72 = 31,442.02 : x
  2. Step 2: Convert to fraction form
    110,321.64/165,488.72 = 31,442.02/x
  3. Step 3: Cross multiply
    110,321.64x = 165,488.72 × 31,442.02
  4. Step 4: Simplify right side
    110,321.64x = 5,203,299,644.01
  5. Step 5: Solve for x
    x = 5,203,299,644.01/110,321.64
  6. Step 6: Final answer
    x = 47,164.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.