Home / 194,730.18-268,727.49-105,306.18

Finding the Fourth Proportional to 194,730.18, 268,727.49 and 105,306.18

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Solution

The fourth proportional to 194,730.18, 268,727.49 and 105,306.18 is: 145,322.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,730.18 : 268,727.49 = 105,306.18 : x
  2. Step 2: Convert to fraction form
    194,730.18/268,727.49 = 105,306.18/x
  3. Step 3: Cross multiply
    194,730.18x = 268,727.49 × 105,306.18
  4. Step 4: Simplify right side
    194,730.18x = 28,298,665,432.89
  5. Step 5: Solve for x
    x = 28,298,665,432.89/194,730.18
  6. Step 6: Final answer
    x = 145,322.44

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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.