Home / 109,225.26-150,712.92-63,268.56

Finding the Fourth Proportional to 109,225.26, 150,712.92 and 63,268.56

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Solution

The fourth proportional to 109,225.26, 150,712.92 and 63,268.56 is: 87,300.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,225.26 : 150,712.92 = 63,268.56 : x
  2. Step 2: Convert to fraction form
    109,225.26/150,712.92 = 63,268.56/x
  3. Step 3: Cross multiply
    109,225.26x = 150,712.92 × 63,268.56
  4. Step 4: Simplify right side
    109,225.26x = 9,535,389,421.80
  5. Step 5: Solve for x
    x = 9,535,389,421.80/109,225.26
  6. Step 6: Final answer
    x = 87,300.22

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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.