Home / 155,932.80-215,242.55-92,270.44

Finding the Fourth Proportional to 155,932.80, 215,242.55 and 92,270.44

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Solution

The fourth proportional to 155,932.80, 215,242.55 and 92,270.44 is: 127,365.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,932.80 : 215,242.55 = 92,270.44 : x
  2. Step 2: Convert to fraction form
    155,932.80/215,242.55 = 92,270.44/x
  3. Step 3: Cross multiply
    155,932.80x = 215,242.55 × 92,270.44
  4. Step 4: Simplify right side
    155,932.80x = 19,860,524,795.22
  5. Step 5: Solve for x
    x = 19,860,524,795.22/155,932.80
  6. Step 6: Final answer
    x = 127,365.92

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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.