Home / 150,385.50-207,531.99-89,958.69

Finding the Fourth Proportional to 150,385.50, 207,531.99 and 89,958.69

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Solution

The fourth proportional to 150,385.50, 207,531.99 and 89,958.69 is: 124,142.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,385.50 : 207,531.99 = 89,958.69 : x
  2. Step 2: Convert to fraction form
    150,385.50/207,531.99 = 89,958.69/x
  3. Step 3: Cross multiply
    150,385.50x = 207,531.99 × 89,958.69
  4. Step 4: Simplify right side
    150,385.50x = 18,669,305,953.49
  5. Step 5: Solve for x
    x = 18,669,305,953.49/150,385.50
  6. Step 6: Final answer
    x = 124,142.99

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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.