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Finding the Fourth Proportional to 109,383.80, 150,949.64 and 59,082.80

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Solution

The fourth proportional to 109,383.80, 150,949.64 and 59,082.80 is: 81,534.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,383.80 : 150,949.64 = 59,082.80 : x
  2. Step 2: Convert to fraction form
    109,383.80/150,949.64 = 59,082.80/x
  3. Step 3: Cross multiply
    109,383.80x = 150,949.64 × 59,082.80
  4. Step 4: Simplify right side
    109,383.80x = 8,918,527,390.19
  5. Step 5: Solve for x
    x = 8,918,527,390.19/109,383.80
  6. Step 6: Final answer
    x = 81,534.26

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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.