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Finding the Fourth Proportional to 136,473.76, 204,776.88 and 102,958.48

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Solution

The fourth proportional to 136,473.76, 204,776.88 and 102,958.48 is: 154,487.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,473.76 : 204,776.88 = 102,958.48 : x
  2. Step 2: Convert to fraction form
    136,473.76/204,776.88 = 102,958.48/x
  3. Step 3: Cross multiply
    136,473.76x = 204,776.88 × 102,958.48
  4. Step 4: Simplify right side
    136,473.76x = 21,083,516,303.94
  5. Step 5: Solve for x
    x = 21,083,516,303.94/136,473.76
  6. Step 6: Final answer
    x = 154,487.69

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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.