Home / 155,926.82-215,234.34-92,264.48

Finding the Fourth Proportional to 155,926.82, 215,234.34 and 92,264.48

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Solution

The fourth proportional to 155,926.82, 215,234.34 and 92,264.48 is: 127,357.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,926.82 : 215,234.34 = 92,264.48 : x
  2. Step 2: Convert to fraction form
    155,926.82/215,234.34 = 92,264.48/x
  3. Step 3: Cross multiply
    155,926.82x = 215,234.34 × 92,264.48
  4. Step 4: Simplify right side
    155,926.82x = 19,858,484,458.24
  5. Step 5: Solve for x
    x = 19,858,484,458.24/155,926.82
  6. Step 6: Final answer
    x = 127,357.72

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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.