Home / 188,622.09-260,300.66-103,740.57

Finding the Fourth Proportional to 188,622.09, 260,300.66 and 103,740.57

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Solution

The fourth proportional to 188,622.09, 260,300.66 and 103,740.57 is: 143,163.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,622.09 : 260,300.66 = 103,740.57 : x
  2. Step 2: Convert to fraction form
    188,622.09/260,300.66 = 103,740.57/x
  3. Step 3: Cross multiply
    188,622.09x = 260,300.66 × 103,740.57
  4. Step 4: Simplify right side
    188,622.09x = 27,003,738,321.07
  5. Step 5: Solve for x
    x = 27,003,738,321.07/188,622.09
  6. Step 6: Final answer
    x = 143,163.18

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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.