Home / 194,511.36-268,359.84-158,639.04

Finding the Fourth Proportional to 194,511.36, 268,359.84 and 158,639.04

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Solution

The fourth proportional to 194,511.36, 268,359.84 and 158,639.04 is: 218,868.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,511.36 : 268,359.84 = 158,639.04 : x
  2. Step 2: Convert to fraction form
    194,511.36/268,359.84 = 158,639.04/x
  3. Step 3: Cross multiply
    194,511.36x = 268,359.84 × 158,639.04
  4. Step 4: Simplify right side
    194,511.36x = 42,572,347,392.15
  5. Step 5: Solve for x
    x = 42,572,347,392.15/194,511.36
  6. Step 6: Final answer
    x = 218,868.18

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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.