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Finding the Fourth Proportional to 136,147.60, 203,929.80 and 109,903.60

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Solution

The fourth proportional to 136,147.60, 203,929.80 and 109,903.60 is: 164,620.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,147.60 : 203,929.80 = 109,903.60 : x
  2. Step 2: Convert to fraction form
    136,147.60/203,929.80 = 109,903.60/x
  3. Step 3: Cross multiply
    136,147.60x = 203,929.80 × 109,903.60
  4. Step 4: Simplify right side
    136,147.60x = 22,412,619,167.28
  5. Step 5: Solve for x
    x = 22,412,619,167.28/136,147.60
  6. Step 6: Final answer
    x = 164,620.01

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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.