Home / 131,803.80-197,667.30-47,554.20

Finding the Fourth Proportional to 131,803.80, 197,667.30 and 47,554.20

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Solution

The fourth proportional to 131,803.80, 197,667.30 and 47,554.20 is: 71,317.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,803.80 : 197,667.30 = 47,554.20 : x
  2. Step 2: Convert to fraction form
    131,803.80/197,667.30 = 47,554.20/x
  3. Step 3: Cross multiply
    131,803.80x = 197,667.30 × 47,554.20
  4. Step 4: Simplify right side
    131,803.80x = 9,399,910,317.66
  5. Step 5: Solve for x
    x = 9,399,910,317.66/131,803.80
  6. Step 6: Final answer
    x = 71,317.45

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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.