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Finding the Fourth Proportional to 145,069.57, 200,144.68 and 94,797.73

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Solution

The fourth proportional to 145,069.57, 200,144.68 and 94,797.73 is: 130,787.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,069.57 : 200,144.68 = 94,797.73 : x
  2. Step 2: Convert to fraction form
    145,069.57/200,144.68 = 94,797.73/x
  3. Step 3: Cross multiply
    145,069.57x = 200,144.68 × 94,797.73
  4. Step 4: Simplify right side
    145,069.57x = 18,973,261,335.58
  5. Step 5: Solve for x
    x = 18,973,261,335.58/145,069.57
  6. Step 6: Final answer
    x = 130,787.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.