Home / 190,922.60-263,465.92-106,045.12

Finding the Fourth Proportional to 190,922.60, 263,465.92 and 106,045.12

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Solution

The fourth proportional to 190,922.60, 263,465.92 and 106,045.12 is: 146,338.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,922.60 : 263,465.92 = 106,045.12 : x
  2. Step 2: Convert to fraction form
    190,922.60/263,465.92 = 106,045.12/x
  3. Step 3: Cross multiply
    190,922.60x = 263,465.92 × 106,045.12
  4. Step 4: Simplify right side
    190,922.60x = 27,939,275,102.31
  5. Step 5: Solve for x
    x = 27,939,275,102.31/190,922.60
  6. Step 6: Final answer
    x = 146,338.23

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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.