Home / 194,569.94-268,465.49-118,129.22

Finding the Fourth Proportional to 194,569.94, 268,465.49 and 118,129.22

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Solution

The fourth proportional to 194,569.94, 268,465.49 and 118,129.22 is: 162,993.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,569.94 : 268,465.49 = 118,129.22 : x
  2. Step 2: Convert to fraction form
    194,569.94/268,465.49 = 118,129.22/x
  3. Step 3: Cross multiply
    194,569.94x = 268,465.49 × 118,129.22
  4. Step 4: Simplify right side
    194,569.94x = 31,713,618,930.62
  5. Step 5: Solve for x
    x = 31,713,618,930.62/194,569.94
  6. Step 6: Final answer
    x = 162,993.42

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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.