Home / 131,758.12-197,610.90-47,515.96

Finding the Fourth Proportional to 131,758.12, 197,610.90 and 47,515.96

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Solution

The fourth proportional to 131,758.12, 197,610.90 and 47,515.96 is: 71,264.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,758.12 : 197,610.90 = 47,515.96 : x
  2. Step 2: Convert to fraction form
    131,758.12/197,610.90 = 47,515.96/x
  3. Step 3: Cross multiply
    131,758.12x = 197,610.90 × 47,515.96
  4. Step 4: Simplify right side
    131,758.12x = 9,389,671,619.96
  5. Step 5: Solve for x
    x = 9,389,671,619.96/131,758.12
  6. Step 6: Final answer
    x = 71,264.46

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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.