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Finding the Fourth Proportional to 150,237.78, 207,313.92 and 89,796.30

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Solution

The fourth proportional to 150,237.78, 207,313.92 and 89,796.30 is: 123,910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,237.78 : 207,313.92 = 89,796.30 : x
  2. Step 2: Convert to fraction form
    150,237.78/207,313.92 = 89,796.30/x
  3. Step 3: Cross multiply
    150,237.78x = 207,313.92 × 89,796.30
  4. Step 4: Simplify right side
    150,237.78x = 18,616,022,954.50
  5. Step 5: Solve for x
    x = 18,616,022,954.50/150,237.78
  6. Step 6: Final answer
    x = 123,910.40

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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.