Home / 259,869.25-358,619.57-140,637.25

Finding the Fourth Proportional to 259,869.25, 358,619.57 and 140,637.25

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Solution

The fourth proportional to 259,869.25, 358,619.57 and 140,637.25 is: 194,079.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,869.25 : 358,619.57 = 140,637.25 : x
  2. Step 2: Convert to fraction form
    259,869.25/358,619.57 = 140,637.25/x
  3. Step 3: Cross multiply
    259,869.25x = 358,619.57 × 140,637.25
  4. Step 4: Simplify right side
    259,869.25x = 50,435,270,120.98
  5. Step 5: Solve for x
    x = 50,435,270,120.98/259,869.25
  6. Step 6: Final answer
    x = 194,079.41

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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.