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Finding the Fourth Proportional to 136,313.60, 204,470.40 and 69,731.60

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Solution

The fourth proportional to 136,313.60, 204,470.40 and 69,731.60 is: 104,597.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,313.60 : 204,470.40 = 69,731.60 : x
  2. Step 2: Convert to fraction form
    136,313.60/204,470.40 = 69,731.60/x
  3. Step 3: Cross multiply
    136,313.60x = 204,470.40 × 69,731.60
  4. Step 4: Simplify right side
    136,313.60x = 14,258,048,144.64
  5. Step 5: Solve for x
    x = 14,258,048,144.64/136,313.60
  6. Step 6: Final answer
    x = 104,597.40

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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.