Home / 103,135.60-154,683.96-50,511.52

Finding the Fourth Proportional to 103,135.60, 154,683.96 and 50,511.52

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Solution

The fourth proportional to 103,135.60, 154,683.96 and 50,511.52 is: 75,757.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,135.60 : 154,683.96 = 50,511.52 : x
  2. Step 2: Convert to fraction form
    103,135.60/154,683.96 = 50,511.52/x
  3. Step 3: Cross multiply
    103,135.60x = 154,683.96 × 50,511.52
  4. Step 4: Simplify right side
    103,135.60x = 7,813,321,939.22
  5. Step 5: Solve for x
    x = 7,813,321,939.22/103,135.60
  6. Step 6: Final answer
    x = 75,757.76

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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.