Home / 110,394.80-165,542.40-31,490.24

Finding the Fourth Proportional to 110,394.80, 165,542.40 and 31,490.24

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Solution

The fourth proportional to 110,394.80, 165,542.40 and 31,490.24 is: 47,221.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,394.80 : 165,542.40 = 31,490.24 : x
  2. Step 2: Convert to fraction form
    110,394.80/165,542.40 = 31,490.24/x
  3. Step 3: Cross multiply
    110,394.80x = 165,542.40 × 31,490.24
  4. Step 4: Simplify right side
    110,394.80x = 5,212,969,906.18
  5. Step 5: Solve for x
    x = 5,212,969,906.18/110,394.80
  6. Step 6: Final answer
    x = 47,221.15

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1.5x scale

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.