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Finding the Fourth Proportional to 166,066.60, 249,099.90 and 136,906.60

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Solution

The fourth proportional to 166,066.60, 249,099.90 and 136,906.60 is: 205,359.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,066.60 : 249,099.90 = 136,906.60 : x
  2. Step 2: Convert to fraction form
    166,066.60/249,099.90 = 136,906.60/x
  3. Step 3: Cross multiply
    166,066.60x = 249,099.90 × 136,906.60
  4. Step 4: Simplify right side
    166,066.60x = 34,103,420,369.34
  5. Step 5: Solve for x
    x = 34,103,420,369.34/166,066.60
  6. Step 6: Final answer
    x = 205,359.90

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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.