Home / 135,727.91-203,527.04-79,585.11

Finding the Fourth Proportional to 135,727.91, 203,527.04 and 79,585.11

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Solution

The fourth proportional to 135,727.91, 203,527.04 and 79,585.11 is: 119,339.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,727.91 : 203,527.04 = 79,585.11 : x
  2. Step 2: Convert to fraction form
    135,727.91/203,527.04 = 79,585.11/x
  3. Step 3: Cross multiply
    135,727.91x = 203,527.04 × 79,585.11
  4. Step 4: Simplify right side
    135,727.91x = 16,197,721,468.45
  5. Step 5: Solve for x
    x = 16,197,721,468.45/135,727.91
  6. Step 6: Final answer
    x = 119,339.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.