Home / 84,145.93-116,121.75-45,906.34

Finding the Fourth Proportional to 84,145.93, 116,121.75 and 45,906.34

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Solution

The fourth proportional to 84,145.93, 116,121.75 and 45,906.34 is: 63,350.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,145.93 : 116,121.75 = 45,906.34 : x
  2. Step 2: Convert to fraction form
    84,145.93/116,121.75 = 45,906.34/x
  3. Step 3: Cross multiply
    84,145.93x = 116,121.75 × 45,906.34
  4. Step 4: Simplify right side
    84,145.93x = 5,330,724,536.90
  5. Step 5: Solve for x
    x = 5,330,724,536.90/84,145.93
  6. Step 6: Final answer
    x = 63,350.95

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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.