Home / 207,344.02-311,001.44-80,960.52

Finding the Fourth Proportional to 207,344.02, 311,001.44 and 80,960.52

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Solution

The fourth proportional to 207,344.02, 311,001.44 and 80,960.52 is: 121,435.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,344.02 : 311,001.44 = 80,960.52 : x
  2. Step 2: Convert to fraction form
    207,344.02/311,001.44 = 80,960.52/x
  3. Step 3: Cross multiply
    207,344.02x = 311,001.44 × 80,960.52
  4. Step 4: Simplify right side
    207,344.02x = 25,178,838,303.15
  5. Step 5: Solve for x
    x = 25,178,838,303.15/207,344.02
  6. Step 6: Final answer
    x = 121,435.08

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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.