Home / 207,447.02-311,041.67-87,442.23

Finding the Fourth Proportional to 207,447.02, 311,041.67 and 87,442.23

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Solution

The fourth proportional to 207,447.02, 311,041.67 and 87,442.23 is: 131,109.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,447.02 : 311,041.67 = 87,442.23 : x
  2. Step 2: Convert to fraction form
    207,447.02/311,041.67 = 87,442.23/x
  3. Step 3: Cross multiply
    207,447.02x = 311,041.67 × 87,442.23
  4. Step 4: Simplify right side
    207,447.02x = 27,198,178,468.78
  5. Step 5: Solve for x
    x = 27,198,178,468.78/207,447.02
  6. Step 6: Final answer
    x = 131,109.03

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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.