Home / 115,480.26-158,205.31-111,162.74

Finding the Fourth Proportional to 115,480.26, 158,205.31 and 111,162.74

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Solution

The fourth proportional to 115,480.26, 158,205.31 and 111,162.74 is: 152,290.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,480.26 : 158,205.31 = 111,162.74 : x
  2. Step 2: Convert to fraction form
    115,480.26/158,205.31 = 111,162.74/x
  3. Step 3: Cross multiply
    115,480.26x = 158,205.31 × 111,162.74
  4. Step 4: Simplify right side
    115,480.26x = 17,586,536,573.25
  5. Step 5: Solve for x
    x = 17,586,536,573.25/115,480.26
  6. Step 6: Final answer
    x = 152,290.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.