Home / 102,769.54-141,818.98-57,447.61

Finding the Fourth Proportional to 102,769.54, 141,818.98 and 57,447.61

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Solution

The fourth proportional to 102,769.54, 141,818.98 and 57,447.61 is: 79,276.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,769.54 : 141,818.98 = 57,447.61 : x
  2. Step 2: Convert to fraction form
    102,769.54/141,818.98 = 57,447.61/x
  3. Step 3: Cross multiply
    102,769.54x = 141,818.98 × 57,447.61
  4. Step 4: Simplify right side
    102,769.54x = 8,147,160,457.30
  5. Step 5: Solve for x
    x = 8,147,160,457.30/102,769.54
  6. Step 6: Final answer
    x = 79,276.03

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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.