Home / 115,288.59-159,071.16-69,965.56

Finding the Fourth Proportional to 115,288.59, 159,071.16 and 69,965.56

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Solution

The fourth proportional to 115,288.59, 159,071.16 and 69,965.56 is: 96,536.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,288.59 : 159,071.16 = 69,965.56 : x
  2. Step 2: Convert to fraction form
    115,288.59/159,071.16 = 69,965.56/x
  3. Step 3: Cross multiply
    115,288.59x = 159,071.16 × 69,965.56
  4. Step 4: Simplify right side
    115,288.59x = 11,129,502,789.25
  5. Step 5: Solve for x
    x = 11,129,502,789.25/115,288.59
  6. Step 6: Final answer
    x = 96,536.03

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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.