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Finding the Fourth Proportional to 133,380.10, 200,070.15 and 118,216.90

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Solution

The fourth proportional to 133,380.10, 200,070.15 and 118,216.90 is: 177,325.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,380.10 : 200,070.15 = 118,216.90 : x
  2. Step 2: Convert to fraction form
    133,380.10/200,070.15 = 118,216.90/x
  3. Step 3: Cross multiply
    133,380.10x = 200,070.15 × 118,216.90
  4. Step 4: Simplify right side
    133,380.10x = 23,651,672,915.54
  5. Step 5: Solve for x
    x = 23,651,672,915.54/133,380.10
  6. Step 6: Final answer
    x = 177,325.35

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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.