Home / 154,602.06-231,436.25-139,817.94

Finding the Fourth Proportional to 154,602.06, 231,436.25 and 139,817.94

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Solution

The fourth proportional to 154,602.06, 231,436.25 and 139,817.94 is: 209,304.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,602.06 : 231,436.25 = 139,817.94 : x
  2. Step 2: Convert to fraction form
    154,602.06/231,436.25 = 139,817.94/x
  3. Step 3: Cross multiply
    154,602.06x = 231,436.25 × 139,817.94
  4. Step 4: Simplify right side
    154,602.06x = 32,358,939,716.33
  5. Step 5: Solve for x
    x = 32,358,939,716.33/154,602.06
  6. Step 6: Final answer
    x = 209,304.71

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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.