Home / 212,067.56-292,655.30-115,271.84

Finding the Fourth Proportional to 212,067.56, 292,655.30 and 115,271.84

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Solution

The fourth proportional to 212,067.56, 292,655.30 and 115,271.84 is: 159,076.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,067.56 : 292,655.30 = 115,271.84 : x
  2. Step 2: Convert to fraction form
    212,067.56/292,655.30 = 115,271.84/x
  3. Step 3: Cross multiply
    212,067.56x = 292,655.30 × 115,271.84
  4. Step 4: Simplify right side
    212,067.56x = 33,734,912,877.12
  5. Step 5: Solve for x
    x = 33,734,912,877.12/212,067.56
  6. Step 6: Final answer
    x = 159,076.26

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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.