Home / 199,221.36-275,194.70-159,215.52

Finding the Fourth Proportional to 199,221.36, 275,194.70 and 159,215.52

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Solution

The fourth proportional to 199,221.36, 275,194.70 and 159,215.52 is: 219,932.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,221.36 : 275,194.70 = 159,215.52 : x
  2. Step 2: Convert to fraction form
    199,221.36/275,194.70 = 159,215.52/x
  3. Step 3: Cross multiply
    199,221.36x = 275,194.70 × 159,215.52
  4. Step 4: Simplify right side
    199,221.36x = 43,815,267,261.74
  5. Step 5: Solve for x
    x = 43,815,267,261.74/199,221.36
  6. Step 6: Final answer
    x = 219,932.58

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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.