Home / 220,534.32-330,910.78-87,411.62

Finding the Fourth Proportional to 220,534.32, 330,910.78 and 87,411.62

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Solution

The fourth proportional to 220,534.32, 330,910.78 and 87,411.62 is: 131,160.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,534.32 : 330,910.78 = 87,411.62 : x
  2. Step 2: Convert to fraction form
    220,534.32/330,910.78 = 87,411.62/x
  3. Step 3: Cross multiply
    220,534.32x = 330,910.78 × 87,411.62
  4. Step 4: Simplify right side
    220,534.32x = 28,925,447,355.26
  5. Step 5: Solve for x
    x = 28,925,447,355.26/220,534.32
  6. Step 6: Final answer
    x = 131,160.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.