Home / 100,288.68-150,433.32-25,408.92

Finding the Fourth Proportional to 100,288.68, 150,433.32 and 25,408.92

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Solution

The fourth proportional to 100,288.68, 150,433.32 and 25,408.92 is: 38,113.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,288.68 : 150,433.32 = 25,408.92 : x
  2. Step 2: Convert to fraction form
    100,288.68/150,433.32 = 25,408.92/x
  3. Step 3: Cross multiply
    100,288.68x = 150,433.32 × 25,408.92
  4. Step 4: Simplify right side
    100,288.68x = 3,822,348,193.21
  5. Step 5: Solve for x
    x = 3,822,348,193.21/100,288.68
  6. Step 6: Final answer
    x = 38,113.46

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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.