Home / 187,912.36-259,317.21-103,029.22

Finding the Fourth Proportional to 187,912.36, 259,317.21 and 103,029.22

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Solution

The fourth proportional to 187,912.36, 259,317.21 and 103,029.22 is: 142,179.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,912.36 : 259,317.21 = 103,029.22 : x
  2. Step 2: Convert to fraction form
    187,912.36/259,317.21 = 103,029.22/x
  3. Step 3: Cross multiply
    187,912.36x = 259,317.21 × 103,029.22
  4. Step 4: Simplify right side
    187,912.36x = 26,717,249,878.88
  5. Step 5: Solve for x
    x = 26,717,249,878.88/187,912.36
  6. Step 6: Final answer
    x = 142,179.31

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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.