Home / 177,791.12-245,354.38-120,447.98

Finding the Fourth Proportional to 177,791.12, 245,354.38 and 120,447.98

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Solution

The fourth proportional to 177,791.12, 245,354.38 and 120,447.98 is: 166,220.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,791.12 : 245,354.38 = 120,447.98 : x
  2. Step 2: Convert to fraction form
    177,791.12/245,354.38 = 120,447.98/x
  3. Step 3: Cross multiply
    177,791.12x = 245,354.38 × 120,447.98
  4. Step 4: Simplify right side
    177,791.12x = 29,552,439,455.15
  5. Step 5: Solve for x
    x = 29,552,439,455.15/177,791.12
  6. Step 6: Final answer
    x = 166,220.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.