Home / 84,133.07-126,172.31-27,958.08

Finding the Fourth Proportional to 84,133.07, 126,172.31 and 27,958.08

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Solution

The fourth proportional to 84,133.07, 126,172.31 and 27,958.08 is: 41,928.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,133.07 : 126,172.31 = 27,958.08 : x
  2. Step 2: Convert to fraction form
    84,133.07/126,172.31 = 27,958.08/x
  3. Step 3: Cross multiply
    84,133.07x = 126,172.31 × 27,958.08
  4. Step 4: Simplify right side
    84,133.07x = 3,527,535,396.97
  5. Step 5: Solve for x
    x = 3,527,535,396.97/84,133.07
  6. Step 6: Final answer
    x = 41,928.05

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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.