Home / 199,875.06-275,828.31-109,231.07

Finding the Fourth Proportional to 199,875.06, 275,828.31 and 109,231.07

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Solution

The fourth proportional to 199,875.06, 275,828.31 and 109,231.07 is: 150,739.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,875.06 : 275,828.31 = 109,231.07 : x
  2. Step 2: Convert to fraction form
    199,875.06/275,828.31 = 109,231.07/x
  3. Step 3: Cross multiply
    199,875.06x = 275,828.31 × 109,231.07
  4. Step 4: Simplify right side
    199,875.06x = 30,129,021,437.59
  5. Step 5: Solve for x
    x = 30,129,021,437.59/199,875.06
  6. Step 6: Final answer
    x = 150,739.27

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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.