Home / 247,631.06-371,373.89-105,474.84

Finding the Fourth Proportional to 247,631.06, 371,373.89 and 105,474.84

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Solution

The fourth proportional to 247,631.06, 371,373.89 and 105,474.84 is: 158,181.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,631.06 : 371,373.89 = 105,474.84 : x
  2. Step 2: Convert to fraction form
    247,631.06/371,373.89 = 105,474.84/x
  3. Step 3: Cross multiply
    247,631.06x = 371,373.89 × 105,474.84
  4. Step 4: Simplify right side
    247,631.06x = 39,170,601,100.55
  5. Step 5: Solve for x
    x = 39,170,601,100.55/247,631.06
  6. Step 6: Final answer
    x = 158,181.30

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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.