Home / 194,664.42-268,655.76-118,165.92

Finding the Fourth Proportional to 194,664.42, 268,655.76 and 118,165.92

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Solution

The fourth proportional to 194,664.42, 268,655.76 and 118,165.92 is: 163,080.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,664.42 : 268,655.76 = 118,165.92 : x
  2. Step 2: Convert to fraction form
    194,664.42/268,655.76 = 118,165.92/x
  3. Step 3: Cross multiply
    194,664.42x = 268,655.76 × 118,165.92
  4. Step 4: Simplify right side
    194,664.42x = 31,745,955,043.70
  5. Step 5: Solve for x
    x = 31,745,955,043.70/194,664.42
  6. Step 6: Final answer
    x = 163,080.42

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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.