Home / 152,619.72-228,968.48-47,439.60

Finding the Fourth Proportional to 152,619.72, 228,968.48 and 47,439.60

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Solution

The fourth proportional to 152,619.72, 228,968.48 and 47,439.60 is: 71,171.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,619.72 : 228,968.48 = 47,439.60 : x
  2. Step 2: Convert to fraction form
    152,619.72/228,968.48 = 47,439.60/x
  3. Step 3: Cross multiply
    152,619.72x = 228,968.48 × 47,439.60
  4. Step 4: Simplify right side
    152,619.72x = 10,862,173,103.81
  5. Step 5: Solve for x
    x = 10,862,173,103.81/152,619.72
  6. Step 6: Final answer
    x = 71,171.49

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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.