Home / 68,186.48-102,295.81-21,439.35

Finding the Fourth Proportional to 68,186.48, 102,295.81 and 21,439.35

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Solution

The fourth proportional to 68,186.48, 102,295.81 and 21,439.35 is: 32,164.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,186.48 : 102,295.81 = 21,439.35 : x
  2. Step 2: Convert to fraction form
    68,186.48/102,295.81 = 21,439.35/x
  3. Step 3: Cross multiply
    68,186.48x = 102,295.81 × 21,439.35
  4. Step 4: Simplify right side
    68,186.48x = 2,193,155,674.12
  5. Step 5: Solve for x
    x = 2,193,155,674.12/68,186.48
  6. Step 6: Final answer
    x = 32,164.08

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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.