Home / 152,319.78-228,534.39-68,072.94

Finding the Fourth Proportional to 152,319.78, 228,534.39 and 68,072.94

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Solution

The fourth proportional to 152,319.78, 228,534.39 and 68,072.94 is: 102,133.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,319.78 : 228,534.39 = 68,072.94 : x
  2. Step 2: Convert to fraction form
    152,319.78/228,534.39 = 68,072.94/x
  3. Step 3: Cross multiply
    152,319.78x = 228,534.39 × 68,072.94
  4. Step 4: Simplify right side
    152,319.78x = 15,557,007,818.41
  5. Step 5: Solve for x
    x = 15,557,007,818.41/152,319.78
  6. Step 6: Final answer
    x = 102,133.86

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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.