Home / 160,110.14-220,949.98-87,512.67

Finding the Fourth Proportional to 160,110.14, 220,949.98 and 87,512.67

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Solution

The fourth proportional to 160,110.14, 220,949.98 and 87,512.67 is: 120,766.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,110.14 : 220,949.98 = 87,512.67 : x
  2. Step 2: Convert to fraction form
    160,110.14/220,949.98 = 87,512.67/x
  3. Step 3: Cross multiply
    160,110.14x = 220,949.98 × 87,512.67
  4. Step 4: Simplify right side
    160,110.14x = 19,335,922,467.46
  5. Step 5: Solve for x
    x = 19,335,922,467.46/160,110.14
  6. Step 6: Final answer
    x = 120,766.39

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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.