Home / 120,262.14-166,037.04-77,258.97

Finding the Fourth Proportional to 120,262.14, 166,037.04 and 77,258.97

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Solution

The fourth proportional to 120,262.14, 166,037.04 and 77,258.97 is: 106,665.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,262.14 : 166,037.04 = 77,258.97 : x
  2. Step 2: Convert to fraction form
    120,262.14/166,037.04 = 77,258.97/x
  3. Step 3: Cross multiply
    120,262.14x = 166,037.04 × 77,258.97
  4. Step 4: Simplify right side
    120,262.14x = 12,827,850,692.25
  5. Step 5: Solve for x
    x = 12,827,850,692.25/120,262.14
  6. Step 6: Final answer
    x = 106,665.74

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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.