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Finding the Fourth Proportional to 138,325.14, 207,495.08 and 43,562.73

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Solution

The fourth proportional to 138,325.14, 207,495.08 and 43,562.73 is: 65,346.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,325.14 : 207,495.08 = 43,562.73 : x
  2. Step 2: Convert to fraction form
    138,325.14/207,495.08 = 43,562.73/x
  3. Step 3: Cross multiply
    138,325.14x = 207,495.08 × 43,562.73
  4. Step 4: Simplify right side
    138,325.14x = 9,039,053,065.09
  5. Step 5: Solve for x
    x = 9,039,053,065.09/138,325.14
  6. Step 6: Final answer
    x = 65,346.42

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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.