Home / 140,086.06-210,130.52-40,246

Finding the Fourth Proportional to 140,086.06, 210,130.52 and 40,246

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Solution

The fourth proportional to 140,086.06, 210,130.52 and 40,246 is: 60,369.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,086.06 : 210,130.52 = 40,246 : x
  2. Step 2: Convert to fraction form
    140,086.06/210,130.52 = 40,246/x
  3. Step 3: Cross multiply
    140,086.06x = 210,130.52 × 40,246
  4. Step 4: Simplify right side
    140,086.06x = 8,456,912,907.92
  5. Step 5: Solve for x
    x = 8,456,912,907.92/140,086.06
  6. Step 6: Final answer
    x = 60,369.41

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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.