Home / 120,332.44-166,058.94-71,965.72

Finding the Fourth Proportional to 120,332.44, 166,058.94 and 71,965.72

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Solution

The fourth proportional to 120,332.44, 166,058.94 and 71,965.72 is: 99,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,332.44 : 166,058.94 = 71,965.72 : x
  2. Step 2: Convert to fraction form
    120,332.44/166,058.94 = 71,965.72/x
  3. Step 3: Cross multiply
    120,332.44x = 166,058.94 × 71,965.72
  4. Step 4: Simplify right side
    120,332.44x = 11,950,551,179.54
  5. Step 5: Solve for x
    x = 11,950,551,179.54/120,332.44
  6. Step 6: Final answer
    x = 99,312.80

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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.