Home / 82,225.20-123,316.19-35,467.68

Finding the Fourth Proportional to 82,225.20, 123,316.19 and 35,467.68

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Solution

The fourth proportional to 82,225.20, 123,316.19 and 35,467.68 is: 53,192.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,225.20 : 123,316.19 = 35,467.68 : x
  2. Step 2: Convert to fraction form
    82,225.20/123,316.19 = 35,467.68/x
  3. Step 3: Cross multiply
    82,225.20x = 123,316.19 × 35,467.68
  4. Step 4: Simplify right side
    82,225.20x = 4,373,739,165.74
  5. Step 5: Solve for x
    x = 4,373,739,165.74/82,225.20
  6. Step 6: Final answer
    x = 53,192.20

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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.