Home / 77,370.25-116,107.26-28,122.25

Finding the Fourth Proportional to 77,370.25, 116,107.26 and 28,122.25

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Solution

The fourth proportional to 77,370.25, 116,107.26 and 28,122.25 is: 42,202.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,370.25 : 116,107.26 = 28,122.25 : x
  2. Step 2: Convert to fraction form
    77,370.25/116,107.26 = 28,122.25/x
  3. Step 3: Cross multiply
    77,370.25x = 116,107.26 × 28,122.25
  4. Step 4: Simplify right side
    77,370.25x = 3,265,197,392.54
  5. Step 5: Solve for x
    x = 3,265,197,392.54/77,370.25
  6. Step 6: Final answer
    x = 42,202.23

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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.