Home / 150,391.50-207,540.27-89,964.69

Finding the Fourth Proportional to 150,391.50, 207,540.27 and 89,964.69

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Solution

The fourth proportional to 150,391.50, 207,540.27 and 89,964.69 is: 124,151.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,391.50 : 207,540.27 = 89,964.69 : x
  2. Step 2: Convert to fraction form
    150,391.50/207,540.27 = 89,964.69/x
  3. Step 3: Cross multiply
    150,391.50x = 207,540.27 × 89,964.69
  4. Step 4: Simplify right side
    150,391.50x = 18,671,296,053.07
  5. Step 5: Solve for x
    x = 18,671,296,053.07/150,391.50
  6. Step 6: Final answer
    x = 124,151.27

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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.