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Finding the Fourth Proportional to 200,130.42, 300,195.60 and 94,891.98

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Solution

The fourth proportional to 200,130.42, 300,195.60 and 94,891.98 is: 142,337.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,130.42 : 300,195.60 = 94,891.98 : x
  2. Step 2: Convert to fraction form
    200,130.42/300,195.60 = 94,891.98/x
  3. Step 3: Cross multiply
    200,130.42x = 300,195.60 × 94,891.98
  4. Step 4: Simplify right side
    200,130.42x = 28,486,154,871.29
  5. Step 5: Solve for x
    x = 28,486,154,871.29/200,130.42
  6. Step 6: Final answer
    x = 142,337.96

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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.