Home / 160,286.90-221,196.83-88,669.49

Finding the Fourth Proportional to 160,286.90, 221,196.83 and 88,669.49

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Solution

The fourth proportional to 160,286.90, 221,196.83 and 88,669.49 is: 122,364.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,286.90 : 221,196.83 = 88,669.49 : x
  2. Step 2: Convert to fraction form
    160,286.90/221,196.83 = 88,669.49/x
  3. Step 3: Cross multiply
    160,286.90x = 221,196.83 × 88,669.49
  4. Step 4: Simplify right side
    160,286.90x = 19,613,408,556.39
  5. Step 5: Solve for x
    x = 19,613,408,556.39/160,286.90
  6. Step 6: Final answer
    x = 122,364.39

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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.