Home / 160,404.46-221,354.85-88,780.21

Finding the Fourth Proportional to 160,404.46, 221,354.85 and 88,780.21

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Solution

The fourth proportional to 160,404.46, 221,354.85 and 88,780.21 is: 122,514.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,404.46 : 221,354.85 = 88,780.21 : x
  2. Step 2: Convert to fraction form
    160,404.46/221,354.85 = 88,780.21/x
  3. Step 3: Cross multiply
    160,404.46x = 221,354.85 × 88,780.21
  4. Step 4: Simplify right side
    160,404.46x = 19,651,930,067.52
  5. Step 5: Solve for x
    x = 19,651,930,067.52/160,404.46
  6. Step 6: Final answer
    x = 122,514.86

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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.