Home / 128,232.72-176,799.24-82,833.84

Finding the Fourth Proportional to 128,232.72, 176,799.24 and 82,833.84

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Solution

The fourth proportional to 128,232.72, 176,799.24 and 82,833.84 is: 114,206.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,232.72 : 176,799.24 = 82,833.84 : x
  2. Step 2: Convert to fraction form
    128,232.72/176,799.24 = 82,833.84/x
  3. Step 3: Cross multiply
    128,232.72x = 176,799.24 × 82,833.84
  4. Step 4: Simplify right side
    128,232.72x = 14,644,959,958.28
  5. Step 5: Solve for x
    x = 14,644,959,958.28/128,232.72
  6. Step 6: Final answer
    x = 114,206.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.