Home / 207,932.10-311,119.65-148,098.90

Finding the Fourth Proportional to 207,932.10, 311,119.65 and 148,098.90

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Solution

The fourth proportional to 207,932.10, 311,119.65 and 148,098.90 is: 221,593.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,932.10 : 311,119.65 = 148,098.90 : x
  2. Step 2: Convert to fraction form
    207,932.10/311,119.65 = 148,098.90/x
  3. Step 3: Cross multiply
    207,932.10x = 311,119.65 × 148,098.90
  4. Step 4: Simplify right side
    207,932.10x = 46,076,477,933.39
  5. Step 5: Solve for x
    x = 46,076,477,933.39/207,932.10
  6. Step 6: Final answer
    x = 221,593.87

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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.