Home / 105,500.25-158,289.26-55,578.33

Finding the Fourth Proportional to 105,500.25, 158,289.26 and 55,578.33

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Solution

The fourth proportional to 105,500.25, 158,289.26 and 55,578.33 is: 83,387.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,500.25 : 158,289.26 = 55,578.33 : x
  2. Step 2: Convert to fraction form
    105,500.25/158,289.26 = 55,578.33/x
  3. Step 3: Cross multiply
    105,500.25x = 158,289.26 × 55,578.33
  4. Step 4: Simplify right side
    105,500.25x = 8,797,452,449.84
  5. Step 5: Solve for x
    x = 8,797,452,449.84/105,500.25
  6. Step 6: Final answer
    x = 83,387.98

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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.