Home / 140,171.35-210,289.22-40,332.37

Finding the Fourth Proportional to 140,171.35, 210,289.22 and 40,332.37

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Solution

The fourth proportional to 140,171.35, 210,289.22 and 40,332.37 is: 60,507.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,171.35 : 210,289.22 = 40,332.37 : x
  2. Step 2: Convert to fraction form
    140,171.35/210,289.22 = 40,332.37/x
  3. Step 3: Cross multiply
    140,171.35x = 210,289.22 × 40,332.37
  4. Step 4: Simplify right side
    140,171.35x = 8,481,462,728.88
  5. Step 5: Solve for x
    x = 8,481,462,728.88/140,171.35
  6. Step 6: Final answer
    x = 60,507.82

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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.