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Finding the Fourth Proportional to 68,060.01, 102,094.88 and 18,139.85

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Solution

The fourth proportional to 68,060.01, 102,094.88 and 18,139.85 is: 27,211.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,060.01 : 102,094.88 = 18,139.85 : x
  2. Step 2: Convert to fraction form
    68,060.01/102,094.88 = 18,139.85/x
  3. Step 3: Cross multiply
    68,060.01x = 102,094.88 × 18,139.85
  4. Step 4: Simplify right side
    68,060.01x = 1,851,985,808.97
  5. Step 5: Solve for x
    x = 1,851,985,808.97/68,060.01
  6. Step 6: Final answer
    x = 27,211.07

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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.