Home / 212,943.01-319,556.55-110,454.79

Finding the Fourth Proportional to 212,943.01, 319,556.55 and 110,454.79

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Solution

The fourth proportional to 212,943.01, 319,556.55 and 110,454.79 is: 165,755.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,943.01 : 319,556.55 = 110,454.79 : x
  2. Step 2: Convert to fraction form
    212,943.01/319,556.55 = 110,454.79/x
  3. Step 3: Cross multiply
    212,943.01x = 319,556.55 × 110,454.79
  4. Step 4: Simplify right side
    212,943.01x = 35,296,549,473.32
  5. Step 5: Solve for x
    x = 35,296,549,473.32/212,943.01
  6. Step 6: Final answer
    x = 165,755.85

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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.