Home / 140,474.82-210,680.58-40,612.74

Finding the Fourth Proportional to 140,474.82, 210,680.58 and 40,612.74

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Solution

The fourth proportional to 140,474.82, 210,680.58 and 40,612.74 is: 60,909.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,474.82 : 210,680.58 = 40,612.74 : x
  2. Step 2: Convert to fraction form
    140,474.82/210,680.58 = 40,612.74/x
  3. Step 3: Cross multiply
    140,474.82x = 210,680.58 × 40,612.74
  4. Step 4: Simplify right side
    140,474.82x = 8,556,315,618.59
  5. Step 5: Solve for x
    x = 8,556,315,618.59/140,474.82
  6. Step 6: Final answer
    x = 60,909.96

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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.