Home / 102,886.75-141,989.23-57,562.03

Finding the Fourth Proportional to 102,886.75, 141,989.23 and 57,562.03

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Solution

The fourth proportional to 102,886.75, 141,989.23 and 57,562.03 is: 79,438.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,886.75 : 141,989.23 = 57,562.03 : x
  2. Step 2: Convert to fraction form
    102,886.75/141,989.23 = 57,562.03/x
  3. Step 3: Cross multiply
    102,886.75x = 141,989.23 × 57,562.03
  4. Step 4: Simplify right side
    102,886.75x = 8,173,188,033.92
  5. Step 5: Solve for x
    x = 8,173,188,033.92/102,886.75
  6. Step 6: Final answer
    x = 79,438.69

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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.