Home / 112,848.08-169,087.42-68,488.42

Finding the Fourth Proportional to 112,848.08, 169,087.42 and 68,488.42

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Solution

The fourth proportional to 112,848.08, 169,087.42 and 68,488.42 is: 102,620.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,848.08 : 169,087.42 = 68,488.42 : x
  2. Step 2: Convert to fraction form
    112,848.08/169,087.42 = 68,488.42/x
  3. Step 3: Cross multiply
    112,848.08x = 169,087.42 × 68,488.42
  4. Step 4: Simplify right side
    112,848.08x = 11,580,530,237.68
  5. Step 5: Solve for x
    x = 11,580,530,237.68/112,848.08
  6. Step 6: Final answer
    x = 102,620.53

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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.