Home / 140,013.06-209,999.88-40,181.82

Finding the Fourth Proportional to 140,013.06, 209,999.88 and 40,181.82

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Solution

The fourth proportional to 140,013.06, 209,999.88 and 40,181.82 is: 60,267.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,013.06 : 209,999.88 = 40,181.82 : x
  2. Step 2: Convert to fraction form
    140,013.06/209,999.88 = 40,181.82/x
  3. Step 3: Cross multiply
    140,013.06x = 209,999.88 × 40,181.82
  4. Step 4: Simplify right side
    140,013.06x = 8,438,177,378.18
  5. Step 5: Solve for x
    x = 8,438,177,378.18/140,013.06
  6. Step 6: Final answer
    x = 60,267.07

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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.