Home / 179,166.08-268,915.28-90,482

Finding the Fourth Proportional to 179,166.08, 268,915.28 and 90,482

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Solution

The fourth proportional to 179,166.08, 268,915.28 and 90,482 is: 135,806.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,166.08 : 268,915.28 = 90,482 : x
  2. Step 2: Convert to fraction form
    179,166.08/268,915.28 = 90,482/x
  3. Step 3: Cross multiply
    179,166.08x = 268,915.28 × 90,482
  4. Step 4: Simplify right side
    179,166.08x = 24,331,992,364.96
  5. Step 5: Solve for x
    x = 24,331,992,364.96/179,166.08
  6. Step 6: Final answer
    x = 135,806.91

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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.