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Finding the Fourth Proportional to 70,171.50, 105,264.33 and 22,784.61

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Solution

The fourth proportional to 70,171.50, 105,264.33 and 22,784.61 is: 34,179.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,171.50 : 105,264.33 = 22,784.61 : x
  2. Step 2: Convert to fraction form
    70,171.50/105,264.33 = 22,784.61/x
  3. Step 3: Cross multiply
    70,171.50x = 105,264.33 × 22,784.61
  4. Step 4: Simplify right side
    70,171.50x = 2,398,406,705.96
  5. Step 5: Solve for x
    x = 2,398,406,705.96/70,171.50
  6. Step 6: Final answer
    x = 34,179.21

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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.