Home / 161,988.38-242,754.23-76,508.12

Finding the Fourth Proportional to 161,988.38, 242,754.23 and 76,508.12

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Solution

The fourth proportional to 161,988.38, 242,754.23 and 76,508.12 is: 114,654.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,988.38 : 242,754.23 = 76,508.12 : x
  2. Step 2: Convert to fraction form
    161,988.38/242,754.23 = 76,508.12/x
  3. Step 3: Cross multiply
    161,988.38x = 242,754.23 × 76,508.12
  4. Step 4: Simplify right side
    161,988.38x = 18,572,669,759.35
  5. Step 5: Solve for x
    x = 18,572,669,759.35/161,988.38
  6. Step 6: Final answer
    x = 114,654.33

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1.5x scale

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.