Home / 187,975.30-259,406.22-103,092.88

Finding the Fourth Proportional to 187,975.30, 259,406.22 and 103,092.88

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Solution

The fourth proportional to 187,975.30, 259,406.22 and 103,092.88 is: 142,268.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,975.30 : 259,406.22 = 103,092.88 : x
  2. Step 2: Convert to fraction form
    187,975.30/259,406.22 = 103,092.88/x
  3. Step 3: Cross multiply
    187,975.30x = 259,406.22 × 103,092.88
  4. Step 4: Simplify right side
    187,975.30x = 26,742,934,309.71
  5. Step 5: Solve for x
    x = 26,742,934,309.71/187,975.30
  6. Step 6: Final answer
    x = 142,268.34

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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.