Home / 207,353.02-311,014.92-80,969.52

Finding the Fourth Proportional to 207,353.02, 311,014.92 and 80,969.52

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Solution

The fourth proportional to 207,353.02, 311,014.92 and 80,969.52 is: 121,448.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,353.02 : 311,014.92 = 80,969.52 : x
  2. Step 2: Convert to fraction form
    207,353.02/311,014.92 = 80,969.52/x
  3. Step 3: Cross multiply
    207,353.02x = 311,014.92 × 80,969.52
  4. Step 4: Simplify right side
    207,353.02x = 25,182,728,785.24
  5. Step 5: Solve for x
    x = 25,182,728,785.24/207,353.02
  6. Step 6: Final answer
    x = 121,448.57

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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.