Home / 123,932.78-171,026.80-70,228.02

Finding the Fourth Proportional to 123,932.78, 171,026.80 and 70,228.02

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Solution

The fourth proportional to 123,932.78, 171,026.80 and 70,228.02 is: 96,914.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,932.78 : 171,026.80 = 70,228.02 : x
  2. Step 2: Convert to fraction form
    123,932.78/171,026.80 = 70,228.02/x
  3. Step 3: Cross multiply
    123,932.78x = 171,026.80 × 70,228.02
  4. Step 4: Simplify right side
    123,932.78x = 12,010,873,530.94
  5. Step 5: Solve for x
    x = 12,010,873,530.94/123,932.78
  6. Step 6: Final answer
    x = 96,914.42

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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.