Home / 154,435.02-231,504.57-49,185.78

Finding the Fourth Proportional to 154,435.02, 231,504.57 and 49,185.78

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Solution

The fourth proportional to 154,435.02, 231,504.57 and 49,185.78 is: 73,731.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,435.02 : 231,504.57 = 49,185.78 : x
  2. Step 2: Convert to fraction form
    154,435.02/231,504.57 = 49,185.78/x
  3. Step 3: Cross multiply
    154,435.02x = 231,504.57 × 49,185.78
  4. Step 4: Simplify right side
    154,435.02x = 11,386,732,849.01
  5. Step 5: Solve for x
    x = 11,386,732,849.01/154,435.02
  6. Step 6: Final answer
    x = 73,731.55

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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.