Home / 102,818.54-141,892.70-57,498.44

Finding the Fourth Proportional to 102,818.54, 141,892.70 and 57,498.44

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Solution

The fourth proportional to 102,818.54, 141,892.70 and 57,498.44 is: 79,349.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,818.54 : 141,892.70 = 57,498.44 : x
  2. Step 2: Convert to fraction form
    102,818.54/141,892.70 = 57,498.44/x
  3. Step 3: Cross multiply
    102,818.54x = 141,892.70 × 57,498.44
  4. Step 4: Simplify right side
    102,818.54x = 8,158,607,900.43
  5. Step 5: Solve for x
    x = 8,158,607,900.43/102,818.54
  6. Step 6: Final answer
    x = 79,349.58

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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.