Home / 109,155.80-150,626.84-61,399.92

Finding the Fourth Proportional to 109,155.80, 150,626.84 and 61,399.92

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Solution

The fourth proportional to 109,155.80, 150,626.84 and 61,399.92 is: 84,727.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,155.80 : 150,626.84 = 61,399.92 : x
  2. Step 2: Convert to fraction form
    109,155.80/150,626.84 = 61,399.92/x
  3. Step 3: Cross multiply
    109,155.80x = 150,626.84 × 61,399.92
  4. Step 4: Simplify right side
    109,155.80x = 9,248,476,529.08
  5. Step 5: Solve for x
    x = 9,248,476,529.08/109,155.80
  6. Step 6: Final answer
    x = 84,727.30

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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.