Home / 150,391.63-207,540.45-89,964.82

Finding the Fourth Proportional to 150,391.63, 207,540.45 and 89,964.82

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Solution

The fourth proportional to 150,391.63, 207,540.45 and 89,964.82 is: 124,151.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,391.63 : 207,540.45 = 89,964.82 : x
  2. Step 2: Convert to fraction form
    150,391.63/207,540.45 = 89,964.82/x
  3. Step 3: Cross multiply
    150,391.63x = 207,540.45 × 89,964.82
  4. Step 4: Simplify right side
    150,391.63x = 18,671,337,739.44
  5. Step 5: Solve for x
    x = 18,671,337,739.44/150,391.63
  6. Step 6: Final answer
    x = 124,151.45

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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.