Home / 207,933.10-311,746.05-83,209.90

Finding the Fourth Proportional to 207,933.10, 311,746.05 and 83,209.90

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Solution

The fourth proportional to 207,933.10, 311,746.05 and 83,209.90 is: 124,753.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,933.10 : 311,746.05 = 83,209.90 : x
  2. Step 2: Convert to fraction form
    207,933.10/311,746.05 = 83,209.90/x
  3. Step 3: Cross multiply
    207,933.10x = 311,746.05 × 83,209.90
  4. Step 4: Simplify right side
    207,933.10x = 25,940,357,645.90
  5. Step 5: Solve for x
    x = 25,940,357,645.90/207,933.10
  6. Step 6: Final answer
    x = 124,753.38

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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.