Home / 148,640.96-205,066.13-84,944.58

Finding the Fourth Proportional to 148,640.96, 205,066.13 and 84,944.58

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Solution

The fourth proportional to 148,640.96, 205,066.13 and 84,944.58 is: 117,190.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,640.96 : 205,066.13 = 84,944.58 : x
  2. Step 2: Convert to fraction form
    148,640.96/205,066.13 = 84,944.58/x
  3. Step 3: Cross multiply
    148,640.96x = 205,066.13 × 84,944.58
  4. Step 4: Simplify right side
    148,640.96x = 17,419,255,860.35
  5. Step 5: Solve for x
    x = 17,419,255,860.35/148,640.96
  6. Step 6: Final answer
    x = 117,190.15

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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.