Home / 131,860.20-197,795.70-38,365.95

Finding the Fourth Proportional to 131,860.20, 197,795.70 and 38,365.95

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Solution

The fourth proportional to 131,860.20, 197,795.70 and 38,365.95 is: 57,550.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,860.20 : 197,795.70 = 38,365.95 : x
  2. Step 2: Convert to fraction form
    131,860.20/197,795.70 = 38,365.95/x
  3. Step 3: Cross multiply
    131,860.20x = 197,795.70 × 38,365.95
  4. Step 4: Simplify right side
    131,860.20x = 7,588,619,936.42
  5. Step 5: Solve for x
    x = 7,588,619,936.42/131,860.20
  6. Step 6: Final answer
    x = 57,550.50

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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.