Home / 115,431.28-173,147.02-92,205.34

Finding the Fourth Proportional to 115,431.28, 173,147.02 and 92,205.34

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Solution

The fourth proportional to 115,431.28, 173,147.02 and 92,205.34 is: 138,308.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,431.28 : 173,147.02 = 92,205.34 : x
  2. Step 2: Convert to fraction form
    115,431.28/173,147.02 = 92,205.34/x
  3. Step 3: Cross multiply
    115,431.28x = 173,147.02 × 92,205.34
  4. Step 4: Simplify right side
    115,431.28x = 15,965,079,185.71
  5. Step 5: Solve for x
    x = 15,965,079,185.71/115,431.28
  6. Step 6: Final answer
    x = 138,308.09

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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.