Home / 141,828.98-195,788.67-101,019.38

Finding the Fourth Proportional to 141,828.98, 195,788.67 and 101,019.38

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Solution

The fourth proportional to 141,828.98, 195,788.67 and 101,019.38 is: 139,452.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,828.98 : 195,788.67 = 101,019.38 : x
  2. Step 2: Convert to fraction form
    141,828.98/195,788.67 = 101,019.38/x
  3. Step 3: Cross multiply
    141,828.98x = 195,788.67 × 101,019.38
  4. Step 4: Simplify right side
    141,828.98x = 19,778,450,054.42
  5. Step 5: Solve for x
    x = 19,778,450,054.42/141,828.98
  6. Step 6: Final answer
    x = 139,452.81

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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.