Home / 122,286.42-183,442.20-42,324.23

Finding the Fourth Proportional to 122,286.42, 183,442.20 and 42,324.23

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Solution

The fourth proportional to 122,286.42, 183,442.20 and 42,324.23 is: 63,490.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,286.42 : 183,442.20 = 42,324.23 : x
  2. Step 2: Convert to fraction form
    122,286.42/183,442.20 = 42,324.23/x
  3. Step 3: Cross multiply
    122,286.42x = 183,442.20 × 42,324.23
  4. Step 4: Simplify right side
    122,286.42x = 7,764,049,864.51
  5. Step 5: Solve for x
    x = 7,764,049,864.51/122,286.42
  6. Step 6: Final answer
    x = 63,490.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.