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Finding the Fourth Proportional to 136,797.34, 205,227.60 and 43,303.10

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Solution

The fourth proportional to 136,797.34, 205,227.60 and 43,303.10 is: 64,964.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,797.34 : 205,227.60 = 43,303.10 : x
  2. Step 2: Convert to fraction form
    136,797.34/205,227.60 = 43,303.10/x
  3. Step 3: Cross multiply
    136,797.34x = 205,227.60 × 43,303.10
  4. Step 4: Simplify right side
    136,797.34x = 8,886,991,285.56
  5. Step 5: Solve for x
    x = 8,886,991,285.56/136,797.34
  6. Step 6: Final answer
    x = 64,964.65

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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.