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Finding the Fourth Proportional to 136,002.40, 204,003.60 and 61,093.60

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Solution

The fourth proportional to 136,002.40, 204,003.60 and 61,093.60 is: 91,640.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,002.40 : 204,003.60 = 61,093.60 : x
  2. Step 2: Convert to fraction form
    136,002.40/204,003.60 = 61,093.60/x
  3. Step 3: Cross multiply
    136,002.40x = 204,003.60 × 61,093.60
  4. Step 4: Simplify right side
    136,002.40x = 12,463,314,336.96
  5. Step 5: Solve for x
    x = 12,463,314,336.96/136,002.40
  6. Step 6: Final answer
    x = 91,640.40

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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.