Home / 82,476.02-123,712.94-20,147.06

Finding the Fourth Proportional to 82,476.02, 123,712.94 and 20,147.06

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Solution

The fourth proportional to 82,476.02, 123,712.94 and 20,147.06 is: 30,220.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,476.02 : 123,712.94 = 20,147.06 : x
  2. Step 2: Convert to fraction form
    82,476.02/123,712.94 = 20,147.06/x
  3. Step 3: Cross multiply
    82,476.02x = 123,712.94 × 20,147.06
  4. Step 4: Simplify right side
    82,476.02x = 2,492,452,024.96
  5. Step 5: Solve for x
    x = 2,492,452,024.96/82,476.02
  6. Step 6: Final answer
    x = 30,220.32

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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.