Home / 246,697.31-340,439.87-139,265.03

Finding the Fourth Proportional to 246,697.31, 340,439.87 and 139,265.03

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Solution

The fourth proportional to 246,697.31, 340,439.87 and 139,265.03 is: 192,184.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,697.31 : 340,439.87 = 139,265.03 : x
  2. Step 2: Convert to fraction form
    246,697.31/340,439.87 = 139,265.03/x
  3. Step 3: Cross multiply
    246,697.31x = 340,439.87 × 139,265.03
  4. Step 4: Simplify right side
    246,697.31x = 47,411,368,012.42
  5. Step 5: Solve for x
    x = 47,411,368,012.42/246,697.31
  6. Step 6: Final answer
    x = 192,184.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.