Home / 131,361.43-197,070.96-42,623.89

Finding the Fourth Proportional to 131,361.43, 197,070.96 and 42,623.89

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Solution

The fourth proportional to 131,361.43, 197,070.96 and 42,623.89 is: 63,945.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,361.43 : 197,070.96 = 42,623.89 : x
  2. Step 2: Convert to fraction form
    131,361.43/197,070.96 = 42,623.89/x
  3. Step 3: Cross multiply
    131,361.43x = 197,070.96 × 42,623.89
  4. Step 4: Simplify right side
    131,361.43x = 8,399,930,921.23
  5. Step 5: Solve for x
    x = 8,399,930,921.23/131,361.43
  6. Step 6: Final answer
    x = 63,945.18

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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.