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Finding the Fourth Proportional to 135,216.60, 202,436.10 and 131,328.60

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Solution

The fourth proportional to 135,216.60, 202,436.10 and 131,328.60 is: 196,615.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,216.60 : 202,436.10 = 131,328.60 : x
  2. Step 2: Convert to fraction form
    135,216.60/202,436.10 = 131,328.60/x
  3. Step 3: Cross multiply
    135,216.60x = 202,436.10 × 131,328.60
  4. Step 4: Simplify right side
    135,216.60x = 26,585,649,602.46
  5. Step 5: Solve for x
    x = 26,585,649,602.46/135,216.60
  6. Step 6: Final answer
    x = 196,615.28

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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.