Home / 161,509.55-242,286.49-54,864.88

Finding the Fourth Proportional to 161,509.55, 242,286.49 and 54,864.88

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Solution

The fourth proportional to 161,509.55, 242,286.49 and 54,864.88 is: 82,304.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,509.55 : 242,286.49 = 54,864.88 : x
  2. Step 2: Convert to fraction form
    161,509.55/242,286.49 = 54,864.88/x
  3. Step 3: Cross multiply
    161,509.55x = 242,286.49 × 54,864.88
  4. Step 4: Simplify right side
    161,509.55x = 13,293,017,713.71
  5. Step 5: Solve for x
    x = 13,293,017,713.71/161,509.55
  6. Step 6: Final answer
    x = 82,304.84

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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.