Home / 194,455.13-268,571.52-129,811.82

Finding the Fourth Proportional to 194,455.13, 268,571.52 and 129,811.82

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Solution

The fourth proportional to 194,455.13, 268,571.52 and 129,811.82 is: 179,289.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,455.13 : 268,571.52 = 129,811.82 : x
  2. Step 2: Convert to fraction form
    194,455.13/268,571.52 = 129,811.82/x
  3. Step 3: Cross multiply
    194,455.13x = 268,571.52 × 129,811.82
  4. Step 4: Simplify right side
    194,455.13x = 34,863,756,468.51
  5. Step 5: Solve for x
    x = 34,863,756,468.51/194,455.13
  6. Step 6: Final answer
    x = 179,289.47

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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.