Home / 160,408.67-221,340.79-88,788.52

Finding the Fourth Proportional to 160,408.67, 221,340.79 and 88,788.52

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Solution

The fourth proportional to 160,408.67, 221,340.79 and 88,788.52 is: 122,515.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,408.67 : 221,340.79 = 88,788.52 : x
  2. Step 2: Convert to fraction form
    160,408.67/221,340.79 = 88,788.52/x
  3. Step 3: Cross multiply
    160,408.67x = 221,340.79 × 88,788.52
  4. Step 4: Simplify right side
    160,408.67x = 19,652,521,159.73
  5. Step 5: Solve for x
    x = 19,652,521,159.73/160,408.67
  6. Step 6: Final answer
    x = 122,515.33

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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.