Home / 131,799.80-197,661.30-47,550.20

Finding the Fourth Proportional to 131,799.80, 197,661.30 and 47,550.20

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Solution

The fourth proportional to 131,799.80, 197,661.30 and 47,550.20 is: 71,311.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,799.80 : 197,661.30 = 47,550.20 : x
  2. Step 2: Convert to fraction form
    131,799.80/197,661.30 = 47,550.20/x
  3. Step 3: Cross multiply
    131,799.80x = 197,661.30 × 47,550.20
  4. Step 4: Simplify right side
    131,799.80x = 9,398,834,347.26
  5. Step 5: Solve for x
    x = 9,398,834,347.26/131,799.80
  6. Step 6: Final answer
    x = 71,311.45

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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.