Home / 154,511.02-231,618.57-49,261.78

Finding the Fourth Proportional to 154,511.02, 231,618.57 and 49,261.78

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Solution

The fourth proportional to 154,511.02, 231,618.57 and 49,261.78 is: 73,845.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,511.02 : 231,618.57 = 49,261.78 : x
  2. Step 2: Convert to fraction form
    154,511.02/231,618.57 = 49,261.78/x
  3. Step 3: Cross multiply
    154,511.02x = 231,618.57 × 49,261.78
  4. Step 4: Simplify right side
    154,511.02x = 11,409,943,039.25
  5. Step 5: Solve for x
    x = 11,409,943,039.25/154,511.02
  6. Step 6: Final answer
    x = 73,845.50

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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.