Home / 179,106.84-268,438.82-90,385.71

Finding the Fourth Proportional to 179,106.84, 268,438.82 and 90,385.71

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Solution

The fourth proportional to 179,106.84, 268,438.82 and 90,385.71 is: 135,466.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,106.84 : 268,438.82 = 90,385.71 : x
  2. Step 2: Convert to fraction form
    179,106.84/268,438.82 = 90,385.71/x
  3. Step 3: Cross multiply
    179,106.84x = 268,438.82 × 90,385.71
  4. Step 4: Simplify right side
    179,106.84x = 24,263,034,230.93
  5. Step 5: Solve for x
    x = 24,263,034,230.93/179,106.84
  6. Step 6: Final answer
    x = 135,466.82

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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.