Home / 95,131.28-142,698.33-45,216.51

Finding the Fourth Proportional to 95,131.28, 142,698.33 and 45,216.51

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Solution

The fourth proportional to 95,131.28, 142,698.33 and 45,216.51 is: 67,825.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,131.28 : 142,698.33 = 45,216.51 : x
  2. Step 2: Convert to fraction form
    95,131.28/142,698.33 = 45,216.51/x
  3. Step 3: Cross multiply
    95,131.28x = 142,698.33 × 45,216.51
  4. Step 4: Simplify right side
    95,131.28x = 6,452,320,465.43
  5. Step 5: Solve for x
    x = 6,452,320,465.43/95,131.28
  6. Step 6: Final answer
    x = 67,825.44

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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.