Home / 139,775.22-192,883.41-76,107.06

Finding the Fourth Proportional to 139,775.22, 192,883.41 and 76,107.06

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Solution

The fourth proportional to 139,775.22, 192,883.41 and 76,107.06 is: 105,024.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,775.22 : 192,883.41 = 76,107.06 : x
  2. Step 2: Convert to fraction form
    139,775.22/192,883.41 = 76,107.06/x
  3. Step 3: Cross multiply
    139,775.22x = 192,883.41 × 76,107.06
  4. Step 4: Simplify right side
    139,775.22x = 14,679,789,257.87
  5. Step 5: Solve for x
    x = 14,679,789,257.87/139,775.22
  6. Step 6: Final answer
    x = 105,024.26

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1.5x scale

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.