Home / 90,817.67-136,220.96-33,880.61

Finding the Fourth Proportional to 90,817.67, 136,220.96 and 33,880.61

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Solution

The fourth proportional to 90,817.67, 136,220.96 and 33,880.61 is: 50,818.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,817.67 : 136,220.96 = 33,880.61 : x
  2. Step 2: Convert to fraction form
    90,817.67/136,220.96 = 33,880.61/x
  3. Step 3: Cross multiply
    90,817.67x = 136,220.96 × 33,880.61
  4. Step 4: Simplify right side
    90,817.67x = 4,615,248,369.08
  5. Step 5: Solve for x
    x = 4,615,248,369.08/90,817.67
  6. Step 6: Final answer
    x = 50,818.84

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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.