Home / 235,872.28-325,493.91-128,442.04

Finding the Fourth Proportional to 235,872.28, 325,493.91 and 128,442.04

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Solution

The fourth proportional to 235,872.28, 325,493.91 and 128,442.04 is: 177,244.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,872.28 : 325,493.91 = 128,442.04 : x
  2. Step 2: Convert to fraction form
    235,872.28/325,493.91 = 128,442.04/x
  3. Step 3: Cross multiply
    235,872.28x = 325,493.91 × 128,442.04
  4. Step 4: Simplify right side
    235,872.28x = 41,807,101,807.98
  5. Step 5: Solve for x
    x = 41,807,101,807.98/235,872.28
  6. Step 6: Final answer
    x = 177,244.66

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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.