Home / 131,754.15-197,636.67-38,259.90

Finding the Fourth Proportional to 131,754.15, 197,636.67 and 38,259.90

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Solution

The fourth proportional to 131,754.15, 197,636.67 and 38,259.90 is: 57,391.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,754.15 : 197,636.67 = 38,259.90 : x
  2. Step 2: Convert to fraction form
    131,754.15/197,636.67 = 38,259.90/x
  3. Step 3: Cross multiply
    131,754.15x = 197,636.67 × 38,259.90
  4. Step 4: Simplify right side
    131,754.15x = 7,561,559,230.53
  5. Step 5: Solve for x
    x = 7,561,559,230.53/131,754.15
  6. Step 6: Final answer
    x = 57,391.43

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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.