Home / 133,355.20-200,032.80-131,281.60

Finding the Fourth Proportional to 133,355.20, 200,032.80 and 131,281.60

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Solution

The fourth proportional to 133,355.20, 200,032.80 and 131,281.60 is: 196,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,355.20 : 200,032.80 = 131,281.60 : x
  2. Step 2: Convert to fraction form
    133,355.20/200,032.80 = 131,281.60/x
  3. Step 3: Cross multiply
    133,355.20x = 200,032.80 × 131,281.60
  4. Step 4: Simplify right side
    133,355.20x = 26,260,626,036.48
  5. Step 5: Solve for x
    x = 26,260,626,036.48/133,355.20
  6. Step 6: Final answer
    x = 196,922.40

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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.