Home / 131,144.52-180,975.31-73,787.10

Finding the Fourth Proportional to 131,144.52, 180,975.31 and 73,787.10

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Solution

The fourth proportional to 131,144.52, 180,975.31 and 73,787.10 is: 101,823.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,144.52 : 180,975.31 = 73,787.10 : x
  2. Step 2: Convert to fraction form
    131,144.52/180,975.31 = 73,787.10/x
  3. Step 3: Cross multiply
    131,144.52x = 180,975.31 × 73,787.10
  4. Step 4: Simplify right side
    131,144.52x = 13,353,643,866.41
  5. Step 5: Solve for x
    x = 13,353,643,866.41/131,144.52
  6. Step 6: Final answer
    x = 101,823.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.