Home / 131,456.08-197,217.38-36,686.25

Finding the Fourth Proportional to 131,456.08, 197,217.38 and 36,686.25

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Solution

The fourth proportional to 131,456.08, 197,217.38 and 36,686.25 is: 55,038.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,456.08 : 197,217.38 = 36,686.25 : x
  2. Step 2: Convert to fraction form
    131,456.08/197,217.38 = 36,686.25/x
  3. Step 3: Cross multiply
    131,456.08x = 197,217.38 × 36,686.25
  4. Step 4: Simplify right side
    131,456.08x = 7,235,166,107.03
  5. Step 5: Solve for x
    x = 7,235,166,107.03/131,456.08
  6. Step 6: Final answer
    x = 55,038.66

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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.