Home / 68,208.24-102,298.52-18,276.68

Finding the Fourth Proportional to 68,208.24, 102,298.52 and 18,276.68

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Solution

The fourth proportional to 68,208.24, 102,298.52 and 18,276.68 is: 27,411.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,208.24 : 102,298.52 = 18,276.68 : x
  2. Step 2: Convert to fraction form
    68,208.24/102,298.52 = 18,276.68/x
  3. Step 3: Cross multiply
    68,208.24x = 102,298.52 × 18,276.68
  4. Step 4: Simplify right side
    68,208.24x = 1,869,676,711.64
  5. Step 5: Solve for x
    x = 1,869,676,711.64/68,208.24
  6. Step 6: Final answer
    x = 27,411.30

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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.