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Finding the Fourth Proportional to 180,058.72, 270,099.60 and 69,250.72

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Solution

The fourth proportional to 180,058.72, 270,099.60 and 69,250.72 is: 103,880.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,058.72 : 270,099.60 = 69,250.72 : x
  2. Step 2: Convert to fraction form
    180,058.72/270,099.60 = 69,250.72/x
  3. Step 3: Cross multiply
    180,058.72x = 270,099.60 × 69,250.72
  4. Step 4: Simplify right side
    180,058.72x = 18,704,591,771.71
  5. Step 5: Solve for x
    x = 18,704,591,771.71/180,058.72
  6. Step 6: Final answer
    x = 103,880.51

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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.