Home / 131,448.40-197,129.40-48,331.60

Finding the Fourth Proportional to 131,448.40, 197,129.40 and 48,331.60

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Solution

The fourth proportional to 131,448.40, 197,129.40 and 48,331.60 is: 72,481.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,448.40 : 197,129.40 = 48,331.60 : x
  2. Step 2: Convert to fraction form
    131,448.40/197,129.40 = 48,331.60/x
  3. Step 3: Cross multiply
    131,448.40x = 197,129.40 × 48,331.60
  4. Step 4: Simplify right side
    131,448.40x = 9,527,579,309.04
  5. Step 5: Solve for x
    x = 9,527,579,309.04/131,448.40
  6. Step 6: Final answer
    x = 72,481.52

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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.