Home / 188,968.02-260,809.86-108,422.22

Finding the Fourth Proportional to 188,968.02, 260,809.86 and 108,422.22

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Solution

The fourth proportional to 188,968.02, 260,809.86 and 108,422.22 is: 149,642.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,968.02 : 260,809.86 = 108,422.22 : x
  2. Step 2: Convert to fraction form
    188,968.02/260,809.86 = 108,422.22/x
  3. Step 3: Cross multiply
    188,968.02x = 260,809.86 × 108,422.22
  4. Step 4: Simplify right side
    188,968.02x = 28,277,584,019.09
  5. Step 5: Solve for x
    x = 28,277,584,019.09/188,968.02
  6. Step 6: Final answer
    x = 149,642.17

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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.