Home / 140,069.46-210,072.15-40,228.86

Finding the Fourth Proportional to 140,069.46, 210,072.15 and 40,228.86

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Solution

The fourth proportional to 140,069.46, 210,072.15 and 40,228.86 is: 60,334.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,069.46 : 210,072.15 = 40,228.86 : x
  2. Step 2: Convert to fraction form
    140,069.46/210,072.15 = 40,228.86/x
  3. Step 3: Cross multiply
    140,069.46x = 210,072.15 × 40,228.86
  4. Step 4: Simplify right side
    140,069.46x = 8,450,963,112.25
  5. Step 5: Solve for x
    x = 8,450,963,112.25/140,069.46
  6. Step 6: Final answer
    x = 60,334.09

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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.