Home / 188,065.98-259,531.30-103,183.38

Finding the Fourth Proportional to 188,065.98, 259,531.30 and 103,183.38

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Solution

The fourth proportional to 188,065.98, 259,531.30 and 103,183.38 is: 142,393.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,065.98 : 259,531.30 = 103,183.38 : x
  2. Step 2: Convert to fraction form
    188,065.98/259,531.30 = 103,183.38/x
  3. Step 3: Cross multiply
    188,065.98x = 259,531.30 × 103,183.38
  4. Step 4: Simplify right side
    188,065.98x = 26,779,316,749.79
  5. Step 5: Solve for x
    x = 26,779,316,749.79/188,065.98
  6. Step 6: Final answer
    x = 142,393.20

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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.