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Finding the Fourth Proportional to 133,103.01, 199,048.10 and 99,392.70

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Solution

The fourth proportional to 133,103.01, 199,048.10 and 99,392.70 is: 148,636.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,103.01 : 199,048.10 = 99,392.70 : x
  2. Step 2: Convert to fraction form
    133,103.01/199,048.10 = 99,392.70/x
  3. Step 3: Cross multiply
    133,103.01x = 199,048.10 × 99,392.70
  4. Step 4: Simplify right side
    133,103.01x = 19,783,928,897.42
  5. Step 5: Solve for x
    x = 19,783,928,897.42/133,103.01
  6. Step 6: Final answer
    x = 148,636.22

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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.