Home / 152,621.72-228,971.48-47,441.60

Finding the Fourth Proportional to 152,621.72, 228,971.48 and 47,441.60

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Solution

The fourth proportional to 152,621.72, 228,971.48 and 47,441.60 is: 71,174.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,621.72 : 228,971.48 = 47,441.60 : x
  2. Step 2: Convert to fraction form
    152,621.72/228,971.48 = 47,441.60/x
  3. Step 3: Cross multiply
    152,621.72x = 228,971.48 × 47,441.60
  4. Step 4: Simplify right side
    152,621.72x = 10,862,773,365.57
  5. Step 5: Solve for x
    x = 10,862,773,365.57/152,621.72
  6. Step 6: Final answer
    x = 71,174.49

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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.