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Finding the Fourth Proportional to 164,172.57, 246,258.90 and 39,513.57

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Solution

The fourth proportional to 164,172.57, 246,258.90 and 39,513.57 is: 59,270.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,172.57 : 246,258.90 = 39,513.57 : x
  2. Step 2: Convert to fraction form
    164,172.57/246,258.90 = 39,513.57/x
  3. Step 3: Cross multiply
    164,172.57x = 246,258.90 × 39,513.57
  4. Step 4: Simplify right side
    164,172.57x = 9,730,568,283.27
  5. Step 5: Solve for x
    x = 9,730,568,283.27/164,172.57
  6. Step 6: Final answer
    x = 59,270.37

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1.5x scale

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.