Home / 152,176.53-228,198.67-72,237.40

Finding the Fourth Proportional to 152,176.53, 228,198.67 and 72,237.40

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Solution

The fourth proportional to 152,176.53, 228,198.67 and 72,237.40 is: 108,324.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,176.53 : 228,198.67 = 72,237.40 : x
  2. Step 2: Convert to fraction form
    152,176.53/228,198.67 = 72,237.40/x
  3. Step 3: Cross multiply
    152,176.53x = 228,198.67 × 72,237.40
  4. Step 4: Simplify right side
    152,176.53x = 16,484,478,604.26
  5. Step 5: Solve for x
    x = 16,484,478,604.26/152,176.53
  6. Step 6: Final answer
    x = 108,324.71

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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.