Home / 102,696.20-141,644.94-64,934

Finding the Fourth Proportional to 102,696.20, 141,644.94 and 64,934

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Solution

The fourth proportional to 102,696.20, 141,644.94 and 64,934 is: 89,560.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,696.20 : 141,644.94 = 64,934 : x
  2. Step 2: Convert to fraction form
    102,696.20/141,644.94 = 64,934/x
  3. Step 3: Cross multiply
    102,696.20x = 141,644.94 × 64,934
  4. Step 4: Simplify right side
    102,696.20x = 9,197,572,533.96
  5. Step 5: Solve for x
    x = 9,197,572,533.96/102,696.20
  6. Step 6: Final answer
    x = 89,560.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.