Home / 109,107.24-150,571.64-61,369.80

Finding the Fourth Proportional to 109,107.24, 150,571.64 and 61,369.80

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Solution

The fourth proportional to 109,107.24, 150,571.64 and 61,369.80 is: 84,692.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,107.24 : 150,571.64 = 61,369.80 : x
  2. Step 2: Convert to fraction form
    109,107.24/150,571.64 = 61,369.80/x
  3. Step 3: Cross multiply
    109,107.24x = 150,571.64 × 61,369.80
  4. Step 4: Simplify right side
    109,107.24x = 9,240,551,432.47
  5. Step 5: Solve for x
    x = 9,240,551,432.47/109,107.24
  6. Step 6: Final answer
    x = 84,692.38

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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.