Home / 115,944.67-160,016.54-64,965.70

Finding the Fourth Proportional to 115,944.67, 160,016.54 and 64,965.70

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Solution

The fourth proportional to 115,944.67, 160,016.54 and 64,965.70 is: 89,659.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,944.67 : 160,016.54 = 64,965.70 : x
  2. Step 2: Convert to fraction form
    115,944.67/160,016.54 = 64,965.70/x
  3. Step 3: Cross multiply
    115,944.67x = 160,016.54 × 64,965.70
  4. Step 4: Simplify right side
    115,944.67x = 10,395,586,532.68
  5. Step 5: Solve for x
    x = 10,395,586,532.68/115,944.67
  6. Step 6: Final answer
    x = 89,659.89

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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.