Home / 133,550.91-200,193.12-66,787.20

Finding the Fourth Proportional to 133,550.91, 200,193.12 and 66,787.20

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Solution

The fourth proportional to 133,550.91, 200,193.12 and 66,787.20 is: 100,114.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,550.91 : 200,193.12 = 66,787.20 : x
  2. Step 2: Convert to fraction form
    133,550.91/200,193.12 = 66,787.20/x
  3. Step 3: Cross multiply
    133,550.91x = 200,193.12 × 66,787.20
  4. Step 4: Simplify right side
    133,550.91x = 13,370,337,944.06
  5. Step 5: Solve for x
    x = 13,370,337,944.06/133,550.91
  6. Step 6: Final answer
    x = 100,114.17

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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.