Home / 142,839.84-214,274.35-49,333.44

Finding the Fourth Proportional to 142,839.84, 214,274.35 and 49,333.44

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Solution

The fourth proportional to 142,839.84, 214,274.35 and 49,333.44 is: 74,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,839.84 : 214,274.35 = 49,333.44 : x
  2. Step 2: Convert to fraction form
    142,839.84/214,274.35 = 49,333.44/x
  3. Step 3: Cross multiply
    142,839.84x = 214,274.35 × 49,333.44
  4. Step 4: Simplify right side
    142,839.84x = 10,570,890,789.26
  5. Step 5: Solve for x
    x = 10,570,890,789.26/142,839.84
  6. Step 6: Final answer
    x = 74,005.20

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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.