Home / 140,356.23-210,535.91-40,517.35

Finding the Fourth Proportional to 140,356.23, 210,535.91 and 40,517.35

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Solution

The fourth proportional to 140,356.23, 210,535.91 and 40,517.35 is: 60,776.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,356.23 : 210,535.91 = 40,517.35 : x
  2. Step 2: Convert to fraction form
    140,356.23/210,535.91 = 40,517.35/x
  3. Step 3: Cross multiply
    140,356.23x = 210,535.91 × 40,517.35
  4. Step 4: Simplify right side
    140,356.23x = 8,530,356,576.05
  5. Step 5: Solve for x
    x = 8,530,356,576.05/140,356.23
  6. Step 6: Final answer
    x = 60,776.47

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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.