Home / 131,918.37-197,875.80-32,078.28

Finding the Fourth Proportional to 131,918.37, 197,875.80 and 32,078.28

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Solution

The fourth proportional to 131,918.37, 197,875.80 and 32,078.28 is: 48,116.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,918.37 : 197,875.80 = 32,078.28 : x
  2. Step 2: Convert to fraction form
    131,918.37/197,875.80 = 32,078.28/x
  3. Step 3: Cross multiply
    131,918.37x = 197,875.80 × 32,078.28
  4. Step 4: Simplify right side
    131,918.37x = 6,347,515,317.62
  5. Step 5: Solve for x
    x = 6,347,515,317.62/131,918.37
  6. Step 6: Final answer
    x = 48,116.99

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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.