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Finding the Fourth Proportional to 100,107.63, 150,174.66 and 36,972.14

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Solution

The fourth proportional to 100,107.63, 150,174.66 and 36,972.14 is: 55,463.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,107.63 : 150,174.66 = 36,972.14 : x
  2. Step 2: Convert to fraction form
    100,107.63/150,174.66 = 36,972.14/x
  3. Step 3: Cross multiply
    100,107.63x = 150,174.66 × 36,972.14
  4. Step 4: Simplify right side
    100,107.63x = 5,552,277,803.10
  5. Step 5: Solve for x
    x = 5,552,277,803.10/100,107.63
  6. Step 6: Final answer
    x = 55,463.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.