Home / 115,297.05-159,064.02-69,958.38

Finding the Fourth Proportional to 115,297.05, 159,064.02 and 69,958.38

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Solution

The fourth proportional to 115,297.05, 159,064.02 and 69,958.38 is: 96,514.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,297.05 : 159,064.02 = 69,958.38 : x
  2. Step 2: Convert to fraction form
    115,297.05/159,064.02 = 69,958.38/x
  3. Step 3: Cross multiply
    115,297.05x = 159,064.02 × 69,958.38
  4. Step 4: Simplify right side
    115,297.05x = 11,127,861,155.49
  5. Step 5: Solve for x
    x = 11,127,861,155.49/115,297.05
  6. Step 6: Final answer
    x = 96,514.71

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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.