Home / 188,516.10-260,145.61-103,632.56

Finding the Fourth Proportional to 188,516.10, 260,145.61 and 103,632.56

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Solution

The fourth proportional to 188,516.10, 260,145.61 and 103,632.56 is: 143,009.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,516.10 : 260,145.61 = 103,632.56 : x
  2. Step 2: Convert to fraction form
    188,516.10/260,145.61 = 103,632.56/x
  3. Step 3: Cross multiply
    188,516.10x = 260,145.61 × 103,632.56
  4. Step 4: Simplify right side
    188,516.10x = 26,959,555,537.06
  5. Step 5: Solve for x
    x = 26,959,555,537.06/188,516.10
  6. Step 6: Final answer
    x = 143,009.30

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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.