Home / 131,938.88-197,933.04-43,197.20

Finding the Fourth Proportional to 131,938.88, 197,933.04 and 43,197.20

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Solution

The fourth proportional to 131,938.88, 197,933.04 and 43,197.20 is: 64,803.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,938.88 : 197,933.04 = 43,197.20 : x
  2. Step 2: Convert to fraction form
    131,938.88/197,933.04 = 43,197.20/x
  3. Step 3: Cross multiply
    131,938.88x = 197,933.04 × 43,197.20
  4. Step 4: Simplify right side
    131,938.88x = 8,550,153,115.49
  5. Step 5: Solve for x
    x = 8,550,153,115.49/131,938.88
  6. Step 6: Final answer
    x = 64,803.89

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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.