Home / 188,544.48-260,184.74-103,660.89

Finding the Fourth Proportional to 188,544.48, 260,184.74 and 103,660.89

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Solution

The fourth proportional to 188,544.48, 260,184.74 and 103,660.89 is: 143,048.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,544.48 : 260,184.74 = 103,660.89 : x
  2. Step 2: Convert to fraction form
    188,544.48/260,184.74 = 103,660.89/x
  3. Step 3: Cross multiply
    188,544.48x = 260,184.74 × 103,660.89
  4. Step 4: Simplify right side
    188,544.48x = 26,970,981,194.51
  5. Step 5: Solve for x
    x = 26,970,981,194.51/188,544.48
  6. Step 6: Final answer
    x = 143,048.37

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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.