Home / 246,511.72-369,822.90-78,042.12

Finding the Fourth Proportional to 246,511.72, 369,822.90 and 78,042.12

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Solution

The fourth proportional to 246,511.72, 369,822.90 and 78,042.12 is: 117,080.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,511.72 : 369,822.90 = 78,042.12 : x
  2. Step 2: Convert to fraction form
    246,511.72/369,822.90 = 78,042.12/x
  3. Step 3: Cross multiply
    246,511.72x = 369,822.90 × 78,042.12
  4. Step 4: Simplify right side
    246,511.72x = 28,861,763,140.55
  5. Step 5: Solve for x
    x = 28,861,763,140.55/246,511.72
  6. Step 6: Final answer
    x = 117,080.69

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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.