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Finding the Fourth Proportional to 200,055.16, 299,926.90 and 100,163.92

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Solution

The fourth proportional to 200,055.16, 299,926.90 and 100,163.92 is: 150,167.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,055.16 : 299,926.90 = 100,163.92 : x
  2. Step 2: Convert to fraction form
    200,055.16/299,926.90 = 100,163.92/x
  3. Step 3: Cross multiply
    200,055.16x = 299,926.90 × 100,163.92
  4. Step 4: Simplify right side
    200,055.16x = 30,041,854,017.45
  5. Step 5: Solve for x
    x = 30,041,854,017.45/200,055.16
  6. Step 6: Final answer
    x = 150,167.85

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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.