Home / 79,818.22-119,755.95-34,206.78

Finding the Fourth Proportional to 79,818.22, 119,755.95 and 34,206.78

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Solution

The fourth proportional to 79,818.22, 119,755.95 and 34,206.78 is: 51,322.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,818.22 : 119,755.95 = 34,206.78 : x
  2. Step 2: Convert to fraction form
    79,818.22/119,755.95 = 34,206.78/x
  3. Step 3: Cross multiply
    79,818.22x = 119,755.95 × 34,206.78
  4. Step 4: Simplify right side
    79,818.22x = 4,096,465,435.34
  5. Step 5: Solve for x
    x = 4,096,465,435.34/79,818.22
  6. Step 6: Final answer
    x = 51,322.44

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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.