Home / 118,226.20-163,154.50-64,512.68

Finding the Fourth Proportional to 118,226.20, 163,154.50 and 64,512.68

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Solution

The fourth proportional to 118,226.20, 163,154.50 and 64,512.68 is: 89,028.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,226.20 : 163,154.50 = 64,512.68 : x
  2. Step 2: Convert to fraction form
    118,226.20/163,154.50 = 64,512.68/x
  3. Step 3: Cross multiply
    118,226.20x = 163,154.50 × 64,512.68
  4. Step 4: Simplify right side
    118,226.20x = 10,525,534,049.06
  5. Step 5: Solve for x
    x = 10,525,534,049.06/118,226.20
  6. Step 6: Final answer
    x = 89,028.78

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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.