Home / 154,436.73-231,804.89-74,530.94

Finding the Fourth Proportional to 154,436.73, 231,804.89 and 74,530.94

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Solution

The fourth proportional to 154,436.73, 231,804.89 and 74,530.94 is: 111,868.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,436.73 : 231,804.89 = 74,530.94 : x
  2. Step 2: Convert to fraction form
    154,436.73/231,804.89 = 74,530.94/x
  3. Step 3: Cross multiply
    154,436.73x = 231,804.89 × 74,530.94
  4. Step 4: Simplify right side
    154,436.73x = 17,276,635,096.11
  5. Step 5: Solve for x
    x = 17,276,635,096.11/154,436.73
  6. Step 6: Final answer
    x = 111,868.70

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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.