Home / 150,411.35-207,512.75-89,983.73

Finding the Fourth Proportional to 150,411.35, 207,512.75 and 89,983.73

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Solution

The fourth proportional to 150,411.35, 207,512.75 and 89,983.73 is: 124,144.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,411.35 : 207,512.75 = 89,983.73 : x
  2. Step 2: Convert to fraction form
    150,411.35/207,512.75 = 89,983.73/x
  3. Step 3: Cross multiply
    150,411.35x = 207,512.75 × 89,983.73
  4. Step 4: Simplify right side
    150,411.35x = 18,672,770,817.64
  5. Step 5: Solve for x
    x = 18,672,770,817.64/150,411.35
  6. Step 6: Final answer
    x = 124,144.69

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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.