Home / 160,963.20-222,131.64-89,347.80

Finding the Fourth Proportional to 160,963.20, 222,131.64 and 89,347.80

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Solution

The fourth proportional to 160,963.20, 222,131.64 and 89,347.80 is: 123,301.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,963.20 : 222,131.64 = 89,347.80 : x
  2. Step 2: Convert to fraction form
    160,963.20/222,131.64 = 89,347.80/x
  3. Step 3: Cross multiply
    160,963.20x = 222,131.64 × 89,347.80
  4. Step 4: Simplify right side
    160,963.20x = 19,846,973,344.39
  5. Step 5: Solve for x
    x = 19,846,973,344.39/160,963.20
  6. Step 6: Final answer
    x = 123,301.31

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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.