Home / 188,520.69-260,151.96-103,637.14

Finding the Fourth Proportional to 188,520.69, 260,151.96 and 103,637.14

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Solution

The fourth proportional to 188,520.69, 260,151.96 and 103,637.14 is: 143,015.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,520.69 : 260,151.96 = 103,637.14 : x
  2. Step 2: Convert to fraction form
    188,520.69/260,151.96 = 103,637.14/x
  3. Step 3: Cross multiply
    188,520.69x = 260,151.96 × 103,637.14
  4. Step 4: Simplify right side
    188,520.69x = 26,961,405,099.79
  5. Step 5: Solve for x
    x = 26,961,405,099.79/188,520.69
  6. Step 6: Final answer
    x = 143,015.63

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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.