Home / 152,044.80-228,001.94-52,215

Finding the Fourth Proportional to 152,044.80, 228,001.94 and 52,215

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Solution

The fourth proportional to 152,044.80, 228,001.94 and 52,215 is: 78,300.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,044.80 : 228,001.94 = 52,215 : x
  2. Step 2: Convert to fraction form
    152,044.80/228,001.94 = 52,215/x
  3. Step 3: Cross multiply
    152,044.80x = 228,001.94 × 52,215
  4. Step 4: Simplify right side
    152,044.80x = 11,905,121,297.10
  5. Step 5: Solve for x
    x = 11,905,121,297.10/152,044.80
  6. Step 6: Final answer
    x = 78,300.09

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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.