Home / 161,819.54-242,690.34-49,500.70

Finding the Fourth Proportional to 161,819.54, 242,690.34 and 49,500.70

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Solution

The fourth proportional to 161,819.54, 242,690.34 and 49,500.70 is: 74,239.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,819.54 : 242,690.34 = 49,500.70 : x
  2. Step 2: Convert to fraction form
    161,819.54/242,690.34 = 49,500.70/x
  3. Step 3: Cross multiply
    161,819.54x = 242,690.34 × 49,500.70
  4. Step 4: Simplify right side
    161,819.54x = 12,013,341,713.24
  5. Step 5: Solve for x
    x = 12,013,341,713.24/161,819.54
  6. Step 6: Final answer
    x = 74,239.13

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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.