Home / 140,900.49-211,378.41-52,154.73

Finding the Fourth Proportional to 140,900.49, 211,378.41 and 52,154.73

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Solution

The fourth proportional to 140,900.49, 211,378.41 and 52,154.73 is: 78,242.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,900.49 : 211,378.41 = 52,154.73 : x
  2. Step 2: Convert to fraction form
    140,900.49/211,378.41 = 52,154.73/x
  3. Step 3: Cross multiply
    140,900.49x = 211,378.41 × 52,154.73
  4. Step 4: Simplify right side
    140,900.49x = 11,024,383,901.38
  5. Step 5: Solve for x
    x = 11,024,383,901.38/140,900.49
  6. Step 6: Final answer
    x = 78,242.34

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1.5x scale

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.