Home / 101,772.18-152,620.83-35,195.22

Finding the Fourth Proportional to 101,772.18, 152,620.83 and 35,195.22

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Solution

The fourth proportional to 101,772.18, 152,620.83 and 35,195.22 is: 52,779.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,772.18 : 152,620.83 = 35,195.22 : x
  2. Step 2: Convert to fraction form
    101,772.18/152,620.83 = 35,195.22/x
  3. Step 3: Cross multiply
    101,772.18x = 152,620.83 × 35,195.22
  4. Step 4: Simplify right side
    101,772.18x = 5,371,523,688.43
  5. Step 5: Solve for x
    x = 5,371,523,688.43/101,772.18
  6. Step 6: Final answer
    x = 52,779.88

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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.