Home / 68,336.84-102,501.62-18,416.14

Finding the Fourth Proportional to 68,336.84, 102,501.62 and 18,416.14

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Solution

The fourth proportional to 68,336.84, 102,501.62 and 18,416.14 is: 27,623.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,336.84 : 102,501.62 = 18,416.14 : x
  2. Step 2: Convert to fraction form
    68,336.84/102,501.62 = 18,416.14/x
  3. Step 3: Cross multiply
    68,336.84x = 102,501.62 × 18,416.14
  4. Step 4: Simplify right side
    68,336.84x = 1,887,683,904.87
  5. Step 5: Solve for x
    x = 1,887,683,904.87/68,336.84
  6. Step 6: Final answer
    x = 27,623.22

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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.