Home / 131,395.37-197,090.28-42,648.73

Finding the Fourth Proportional to 131,395.37, 197,090.28 and 42,648.73

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Solution

The fourth proportional to 131,395.37, 197,090.28 and 42,648.73 is: 63,972.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,395.37 : 197,090.28 = 42,648.73 : x
  2. Step 2: Convert to fraction form
    131,395.37/197,090.28 = 42,648.73/x
  3. Step 3: Cross multiply
    131,395.37x = 197,090.28 × 42,648.73
  4. Step 4: Simplify right side
    131,395.37x = 8,405,649,644.62
  5. Step 5: Solve for x
    x = 8,405,649,644.62/131,395.37
  6. Step 6: Final answer
    x = 63,972.19

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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.