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Finding the Fourth Proportional to 135,648.60, 203,424.30 and 69,066.60

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Solution

The fourth proportional to 135,648.60, 203,424.30 and 69,066.60 is: 103,575.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,648.60 : 203,424.30 = 69,066.60 : x
  2. Step 2: Convert to fraction form
    135,648.60/203,424.30 = 69,066.60/x
  3. Step 3: Cross multiply
    135,648.60x = 203,424.30 × 69,066.60
  4. Step 4: Simplify right side
    135,648.60x = 14,049,824,758.38
  5. Step 5: Solve for x
    x = 14,049,824,758.38/135,648.60
  6. Step 6: Final answer
    x = 103,575.15

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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.