Home / 140,944.36-211,281-52,173.76

Finding the Fourth Proportional to 140,944.36, 211,281 and 52,173.76

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Solution

The fourth proportional to 140,944.36, 211,281 and 52,173.76 is: 78,210.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,944.36 : 211,281 = 52,173.76 : x
  2. Step 2: Convert to fraction form
    140,944.36/211,281 = 52,173.76/x
  3. Step 3: Cross multiply
    140,944.36x = 211,281 × 52,173.76
  4. Step 4: Simplify right side
    140,944.36x = 11,023,324,186.56
  5. Step 5: Solve for x
    x = 11,023,324,186.56/140,944.36
  6. Step 6: Final answer
    x = 78,210.47

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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.