Home / 215,004.78-322,575.18-96,686.46

Finding the Fourth Proportional to 215,004.78, 322,575.18 and 96,686.46

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Solution

The fourth proportional to 215,004.78, 322,575.18 and 96,686.46 is: 145,060.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,004.78 : 322,575.18 = 96,686.46 : x
  2. Step 2: Convert to fraction form
    215,004.78/322,575.18 = 96,686.46/x
  3. Step 3: Cross multiply
    215,004.78x = 322,575.18 × 96,686.46
  4. Step 4: Simplify right side
    215,004.78x = 31,188,652,238.06
  5. Step 5: Solve for x
    x = 31,188,652,238.06/215,004.78
  6. Step 6: Final answer
    x = 145,060.27

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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.