Home / 140,175.85-210,232.34-40,313.79

Finding the Fourth Proportional to 140,175.85, 210,232.34 and 40,313.79

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Solution

The fourth proportional to 140,175.85, 210,232.34 and 40,313.79 is: 60,461.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,175.85 : 210,232.34 = 40,313.79 : x
  2. Step 2: Convert to fraction form
    140,175.85/210,232.34 = 40,313.79/x
  3. Step 3: Cross multiply
    140,175.85x = 210,232.34 × 40,313.79
  4. Step 4: Simplify right side
    140,175.85x = 8,475,262,405.97
  5. Step 5: Solve for x
    x = 8,475,262,405.97/140,175.85
  6. Step 6: Final answer
    x = 60,461.64

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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.