Home / 152,464.02-228,696.03-69,381.78

Finding the Fourth Proportional to 152,464.02, 228,696.03 and 69,381.78

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Solution

The fourth proportional to 152,464.02, 228,696.03 and 69,381.78 is: 104,072.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,464.02 : 228,696.03 = 69,381.78 : x
  2. Step 2: Convert to fraction form
    152,464.02/228,696.03 = 69,381.78/x
  3. Step 3: Cross multiply
    152,464.02x = 228,696.03 × 69,381.78
  4. Step 4: Simplify right side
    152,464.02x = 15,867,337,640.33
  5. Step 5: Solve for x
    x = 15,867,337,640.33/152,464.02
  6. Step 6: Final answer
    x = 104,072.67

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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.