Home / 86,137.24-129,205.84-26,977.52

Finding the Fourth Proportional to 86,137.24, 129,205.84 and 26,977.52

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Solution

The fourth proportional to 86,137.24, 129,205.84 and 26,977.52 is: 40,466.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,137.24 : 129,205.84 = 26,977.52 : x
  2. Step 2: Convert to fraction form
    86,137.24/129,205.84 = 26,977.52/x
  3. Step 3: Cross multiply
    86,137.24x = 129,205.84 × 26,977.52
  4. Step 4: Simplify right side
    86,137.24x = 3,485,653,132.72
  5. Step 5: Solve for x
    x = 3,485,653,132.72/86,137.24
  6. Step 6: Final answer
    x = 40,466.27

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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.