Home / 120,558.98-166,351.17-80,332.82

Finding the Fourth Proportional to 120,558.98, 166,351.17 and 80,332.82

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Solution

The fourth proportional to 120,558.98, 166,351.17 and 80,332.82 is: 110,845.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,558.98 : 166,351.17 = 80,332.82 : x
  2. Step 2: Convert to fraction form
    120,558.98/166,351.17 = 80,332.82/x
  3. Step 3: Cross multiply
    120,558.98x = 166,351.17 × 80,332.82
  4. Step 4: Simplify right side
    120,558.98x = 13,363,458,596.40
  5. Step 5: Solve for x
    x = 13,363,458,596.40/120,558.98
  6. Step 6: Final answer
    x = 110,845.82

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1.5x scale

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.