Home / 161,819.55-242,690.40-82,893.15

Finding the Fourth Proportional to 161,819.55, 242,690.40 and 82,893.15

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Solution

The fourth proportional to 161,819.55, 242,690.40 and 82,893.15 is: 124,319.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,819.55 : 242,690.40 = 82,893.15 : x
  2. Step 2: Convert to fraction form
    161,819.55/242,690.40 = 82,893.15/x
  3. Step 3: Cross multiply
    161,819.55x = 242,690.40 × 82,893.15
  4. Step 4: Simplify right side
    161,819.55x = 20,117,371,730.76
  5. Step 5: Solve for x
    x = 20,117,371,730.76/161,819.55
  6. Step 6: Final answer
    x = 124,319.79

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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.