Home / 111,152.50-166,755.27-36,272.78

Finding the Fourth Proportional to 111,152.50, 166,755.27 and 36,272.78

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Solution

The fourth proportional to 111,152.50, 166,755.27 and 36,272.78 is: 54,417.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,152.50 : 166,755.27 = 36,272.78 : x
  2. Step 2: Convert to fraction form
    111,152.50/166,755.27 = 36,272.78/x
  3. Step 3: Cross multiply
    111,152.50x = 166,755.27 × 36,272.78
  4. Step 4: Simplify right side
    111,152.50x = 6,048,677,639.44
  5. Step 5: Solve for x
    x = 6,048,677,639.44/111,152.50
  6. Step 6: Final answer
    x = 54,417.83

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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.