Home / 102,877.32-141,977.34-57,559.44

Finding the Fourth Proportional to 102,877.32, 141,977.34 and 57,559.44

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Solution

The fourth proportional to 102,877.32, 141,977.34 and 57,559.44 is: 79,435.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,877.32 : 141,977.34 = 57,559.44 : x
  2. Step 2: Convert to fraction form
    102,877.32/141,977.34 = 57,559.44/x
  3. Step 3: Cross multiply
    102,877.32x = 141,977.34 × 57,559.44
  4. Step 4: Simplify right side
    102,877.32x = 8,172,136,183.09
  5. Step 5: Solve for x
    x = 8,172,136,183.09/102,877.32
  6. Step 6: Final answer
    x = 79,435.74

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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.