Home / 293,942.61-405,639.12-163,118.95

Finding the Fourth Proportional to 293,942.61, 405,639.12 and 163,118.95

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Solution

The fourth proportional to 293,942.61, 405,639.12 and 163,118.95 is: 225,103.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,942.61 : 405,639.12 = 163,118.95 : x
  2. Step 2: Convert to fraction form
    293,942.61/405,639.12 = 163,118.95/x
  3. Step 3: Cross multiply
    293,942.61x = 405,639.12 × 163,118.95
  4. Step 4: Simplify right side
    293,942.61x = 66,167,427,333.32
  5. Step 5: Solve for x
    x = 66,167,427,333.32/293,942.61
  6. Step 6: Final answer
    x = 225,103.22

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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.