Home / 152,629.56-228,939.48-47,420.28

Finding the Fourth Proportional to 152,629.56, 228,939.48 and 47,420.28

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Solution

The fourth proportional to 152,629.56, 228,939.48 and 47,420.28 is: 71,128.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,629.56 : 228,939.48 = 47,420.28 : x
  2. Step 2: Convert to fraction form
    152,629.56/228,939.48 = 47,420.28/x
  3. Step 3: Cross multiply
    152,629.56x = 228,939.48 × 47,420.28
  4. Step 4: Simplify right side
    152,629.56x = 10,856,374,244.65
  5. Step 5: Solve for x
    x = 10,856,374,244.65/152,629.56
  6. Step 6: Final answer
    x = 71,128.91

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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.