Home / 82,230.44-123,345.98-19,900.84

Finding the Fourth Proportional to 82,230.44, 123,345.98 and 19,900.84

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Solution

The fourth proportional to 82,230.44, 123,345.98 and 19,900.84 is: 29,851.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,230.44 : 123,345.98 = 19,900.84 : x
  2. Step 2: Convert to fraction form
    82,230.44/123,345.98 = 19,900.84/x
  3. Step 3: Cross multiply
    82,230.44x = 123,345.98 × 19,900.84
  4. Step 4: Simplify right side
    82,230.44x = 2,454,688,612.62
  5. Step 5: Solve for x
    x = 2,454,688,612.62/82,230.44
  6. Step 6: Final answer
    x = 29,851.34

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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.