Home / 131,813.34-197,753.73-38,319.09

Finding the Fourth Proportional to 131,813.34, 197,753.73 and 38,319.09

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Solution

The fourth proportional to 131,813.34, 197,753.73 and 38,319.09 is: 57,488.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,813.34 : 197,753.73 = 38,319.09 : x
  2. Step 2: Convert to fraction form
    131,813.34/197,753.73 = 38,319.09/x
  3. Step 3: Cross multiply
    131,813.34x = 197,753.73 × 38,319.09
  4. Step 4: Simplify right side
    131,813.34x = 7,577,743,791.13
  5. Step 5: Solve for x
    x = 7,577,743,791.13/131,813.34
  6. Step 6: Final answer
    x = 57,488.44

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1.5x scale

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.