Home / 246,660.12-340,400.70-139,233.96

Finding the Fourth Proportional to 246,660.12, 340,400.70 and 139,233.96

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Solution

The fourth proportional to 246,660.12, 340,400.70 and 139,233.96 is: 192,148.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,660.12 : 340,400.70 = 139,233.96 : x
  2. Step 2: Convert to fraction form
    246,660.12/340,400.70 = 139,233.96/x
  3. Step 3: Cross multiply
    246,660.12x = 340,400.70 × 139,233.96
  4. Step 4: Simplify right side
    246,660.12x = 47,395,337,447.77
  5. Step 5: Solve for x
    x = 47,395,337,447.77/246,660.12
  6. Step 6: Final answer
    x = 192,148.36

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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.