Home / 134,240.64-201,235.20-45,431.97

Finding the Fourth Proportional to 134,240.64, 201,235.20 and 45,431.97

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Solution

The fourth proportional to 134,240.64, 201,235.20 and 45,431.97 is: 68,105.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,240.64 : 201,235.20 = 45,431.97 : x
  2. Step 2: Convert to fraction form
    134,240.64/201,235.20 = 45,431.97/x
  3. Step 3: Cross multiply
    134,240.64x = 201,235.20 × 45,431.97
  4. Step 4: Simplify right side
    134,240.64x = 9,142,511,569.34
  5. Step 5: Solve for x
    x = 9,142,511,569.34/134,240.64
  6. Step 6: Final answer
    x = 68,105.39

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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.