Home / 101,131.13-151,789.86-51,246.56

Finding the Fourth Proportional to 101,131.13, 151,789.86 and 51,246.56

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Solution

The fourth proportional to 101,131.13, 151,789.86 and 51,246.56 is: 76,917.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,131.13 : 151,789.86 = 51,246.56 : x
  2. Step 2: Convert to fraction form
    101,131.13/151,789.86 = 51,246.56/x
  3. Step 3: Cross multiply
    101,131.13x = 151,789.86 × 51,246.56
  4. Step 4: Simplify right side
    101,131.13x = 7,778,708,547.36
  5. Step 5: Solve for x
    x = 7,778,708,547.36/101,131.13
  6. Step 6: Final answer
    x = 76,917.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.