Home / 200,210.55-276,288.17-109,565.61

Finding the Fourth Proportional to 200,210.55, 276,288.17 and 109,565.61

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Solution

The fourth proportional to 200,210.55, 276,288.17 and 109,565.61 is: 151,199.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,210.55 : 276,288.17 = 109,565.61 : x
  2. Step 2: Convert to fraction form
    200,210.55/276,288.17 = 109,565.61/x
  3. Step 3: Cross multiply
    200,210.55x = 276,288.17 × 109,565.61
  4. Step 4: Simplify right side
    200,210.55x = 30,271,681,334.01
  5. Step 5: Solve for x
    x = 30,271,681,334.01/200,210.55
  6. Step 6: Final answer
    x = 151,199.23

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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.