Home / 150,176.11-207,228.90-89,734.72

Finding the Fourth Proportional to 150,176.11, 207,228.90 and 89,734.72

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Solution

The fourth proportional to 150,176.11, 207,228.90 and 89,734.72 is: 123,825.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,176.11 : 207,228.90 = 89,734.72 : x
  2. Step 2: Convert to fraction form
    150,176.11/207,228.90 = 89,734.72/x
  3. Step 3: Cross multiply
    150,176.11x = 207,228.90 × 89,734.72
  4. Step 4: Simplify right side
    150,176.11x = 18,595,627,317.41
  5. Step 5: Solve for x
    x = 18,595,627,317.41/150,176.11
  6. Step 6: Final answer
    x = 123,825.47

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1.5x scale

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.