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Finding the Fourth Proportional to 199,100.60, 299,111.70 and 136,892.60

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Solution

The fourth proportional to 199,100.60, 299,111.70 and 136,892.60 is: 205,655.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,100.60 : 299,111.70 = 136,892.60 : x
  2. Step 2: Convert to fraction form
    199,100.60/299,111.70 = 136,892.60/x
  3. Step 3: Cross multiply
    199,100.60x = 299,111.70 × 136,892.60
  4. Step 4: Simplify right side
    199,100.60x = 40,946,178,303.42
  5. Step 5: Solve for x
    x = 40,946,178,303.42/199,100.60
  6. Step 6: Final answer
    x = 205,655.73

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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.