Home / 207,823.80-311,735.70-158,057.40

Finding the Fourth Proportional to 207,823.80, 311,735.70 and 158,057.40

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Solution

The fourth proportional to 207,823.80, 311,735.70 and 158,057.40 is: 237,086.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,823.80 : 311,735.70 = 158,057.40 : x
  2. Step 2: Convert to fraction form
    207,823.80/311,735.70 = 158,057.40/x
  3. Step 3: Cross multiply
    207,823.80x = 311,735.70 × 158,057.40
  4. Step 4: Simplify right side
    207,823.80x = 49,272,134,229.18
  5. Step 5: Solve for x
    x = 49,272,134,229.18/207,823.80
  6. Step 6: Final answer
    x = 237,086.10

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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.