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Finding the Fourth Proportional to 163,363.62, 245,143.62 and 69,869.46

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Solution

The fourth proportional to 163,363.62, 245,143.62 and 69,869.46 is: 104,846.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,363.62 : 245,143.62 = 69,869.46 : x
  2. Step 2: Convert to fraction form
    163,363.62/245,143.62 = 69,869.46/x
  3. Step 3: Cross multiply
    163,363.62x = 245,143.62 × 69,869.46
  4. Step 4: Simplify right side
    163,363.62x = 17,128,052,351.85
  5. Step 5: Solve for x
    x = 17,128,052,351.85/163,363.62
  6. Step 6: Final answer
    x = 104,846.19

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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.