Home / 131,969.25-197,986.68-38,475

Finding the Fourth Proportional to 131,969.25, 197,986.68 and 38,475

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Solution

The fourth proportional to 131,969.25, 197,986.68 and 38,475 is: 57,722.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,969.25 : 197,986.68 = 38,475 : x
  2. Step 2: Convert to fraction form
    131,969.25/197,986.68 = 38,475/x
  3. Step 3: Cross multiply
    131,969.25x = 197,986.68 × 38,475
  4. Step 4: Simplify right side
    131,969.25x = 7,617,537,513
  5. Step 5: Solve for x
    x = 7,617,537,513/131,969.25
  6. Step 6: Final answer
    x = 57,722.06

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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.