Home / 207,556.13-311,432.61-123,482.39

Finding the Fourth Proportional to 207,556.13, 311,432.61 and 123,482.39

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Solution

The fourth proportional to 207,556.13, 311,432.61 and 123,482.39 is: 185,282.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,556.13 : 311,432.61 = 123,482.39 : x
  2. Step 2: Convert to fraction form
    207,556.13/311,432.61 = 123,482.39/x
  3. Step 3: Cross multiply
    207,556.13x = 311,432.61 × 123,482.39
  4. Step 4: Simplify right side
    207,556.13x = 38,456,441,912.63
  5. Step 5: Solve for x
    x = 38,456,441,912.63/207,556.13
  6. Step 6: Final answer
    x = 185,282.13

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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.