Home / 188,515.69-260,145.06-103,632.14

Finding the Fourth Proportional to 188,515.69, 260,145.06 and 103,632.14

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Solution

The fourth proportional to 188,515.69, 260,145.06 and 103,632.14 is: 143,008.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,515.69 : 260,145.06 = 103,632.14 : x
  2. Step 2: Convert to fraction form
    188,515.69/260,145.06 = 103,632.14/x
  3. Step 3: Cross multiply
    188,515.69x = 260,145.06 × 103,632.14
  4. Step 4: Simplify right side
    188,515.69x = 26,959,389,278.23
  5. Step 5: Solve for x
    x = 26,959,389,278.23/188,515.69
  6. Step 6: Final answer
    x = 143,008.73

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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.