Home / 142,821.96-214,257.24-49,305.84

Finding the Fourth Proportional to 142,821.96, 214,257.24 and 49,305.84

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Solution

The fourth proportional to 142,821.96, 214,257.24 and 49,305.84 is: 73,967.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,821.96 : 214,257.24 = 49,305.84 : x
  2. Step 2: Convert to fraction form
    142,821.96/214,257.24 = 49,305.84/x
  3. Step 3: Cross multiply
    142,821.96x = 214,257.24 × 49,305.84
  4. Step 4: Simplify right side
    142,821.96x = 10,564,133,194.28
  5. Step 5: Solve for x
    x = 10,564,133,194.28/142,821.96
  6. Step 6: Final answer
    x = 73,967.15

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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.