Home / 68,013.02-102,019.38-18,093.15

Finding the Fourth Proportional to 68,013.02, 102,019.38 and 18,093.15

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Solution

The fourth proportional to 68,013.02, 102,019.38 and 18,093.15 is: 27,139.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,013.02 : 102,019.38 = 18,093.15 : x
  2. Step 2: Convert to fraction form
    68,013.02/102,019.38 = 18,093.15/x
  3. Step 3: Cross multiply
    68,013.02x = 102,019.38 × 18,093.15
  4. Step 4: Simplify right side
    68,013.02x = 1,845,851,945.25
  5. Step 5: Solve for x
    x = 1,845,851,945.25/68,013.02
  6. Step 6: Final answer
    x = 27,139.69

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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.