Home / 109,945.44-165,145.32-105,153.84

Finding the Fourth Proportional to 109,945.44, 165,145.32 and 105,153.84

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Solution

The fourth proportional to 109,945.44, 165,145.32 and 105,153.84 is: 157,948.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,945.44 : 165,145.32 = 105,153.84 : x
  2. Step 2: Convert to fraction form
    109,945.44/165,145.32 = 105,153.84/x
  3. Step 3: Cross multiply
    109,945.44x = 165,145.32 × 105,153.84
  4. Step 4: Simplify right side
    109,945.44x = 17,365,664,556.03
  5. Step 5: Solve for x
    x = 17,365,664,556.03/109,945.44
  6. Step 6: Final answer
    x = 157,948.02

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1.5x scale

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.