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Finding the Fourth Proportional to 134,689.88, 201,991.08 and 63,601.52

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Solution

The fourth proportional to 134,689.88, 201,991.08 and 63,601.52 is: 95,381.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,689.88 : 201,991.08 = 63,601.52 : x
  2. Step 2: Convert to fraction form
    134,689.88/201,991.08 = 63,601.52/x
  3. Step 3: Cross multiply
    134,689.88x = 201,991.08 × 63,601.52
  4. Step 4: Simplify right side
    134,689.88x = 12,846,939,714.44
  5. Step 5: Solve for x
    x = 12,846,939,714.44/134,689.88
  6. Step 6: Final answer
    x = 95,381.63

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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.