Home / 152,220.47-228,325.97-72,315.94

Finding the Fourth Proportional to 152,220.47, 228,325.97 and 72,315.94

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Solution

The fourth proportional to 152,220.47, 228,325.97 and 72,315.94 is: 108,471.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,220.47 : 228,325.97 = 72,315.94 : x
  2. Step 2: Convert to fraction form
    152,220.47/228,325.97 = 72,315.94/x
  3. Step 3: Cross multiply
    152,220.47x = 228,325.97 × 72,315.94
  4. Step 4: Simplify right side
    152,220.47x = 16,511,607,185.05
  5. Step 5: Solve for x
    x = 16,511,607,185.05/152,220.47
  6. Step 6: Final answer
    x = 108,471.66

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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.