Home / 68,060.39-102,079.04-18,145.76

Finding the Fourth Proportional to 68,060.39, 102,079.04 and 18,145.76

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Solution

The fourth proportional to 68,060.39, 102,079.04 and 18,145.76 is: 27,215.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,060.39 : 102,079.04 = 18,145.76 : x
  2. Step 2: Convert to fraction form
    68,060.39/102,079.04 = 18,145.76/x
  3. Step 3: Cross multiply
    68,060.39x = 102,079.04 × 18,145.76
  4. Step 4: Simplify right side
    68,060.39x = 1,852,302,061.43
  5. Step 5: Solve for x
    x = 1,852,302,061.43/68,060.39
  6. Step 6: Final answer
    x = 27,215.57

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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.