Home / 87,174.96-130,832.56-45,067.44

Finding the Fourth Proportional to 87,174.96, 130,832.56 and 45,067.44

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Solution

The fourth proportional to 87,174.96, 130,832.56 and 45,067.44 is: 67,637.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,174.96 : 130,832.56 = 45,067.44 : x
  2. Step 2: Convert to fraction form
    87,174.96/130,832.56 = 45,067.44/x
  3. Step 3: Cross multiply
    87,174.96x = 130,832.56 × 45,067.44
  4. Step 4: Simplify right side
    87,174.96x = 5,896,288,547.85
  5. Step 5: Solve for x
    x = 5,896,288,547.85/87,174.96
  6. Step 6: Final answer
    x = 67,637.41

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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.