Home / 141,879.06-195,671.70-101,181.42

Finding the Fourth Proportional to 141,879.06, 195,671.70 and 101,181.42

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Solution

The fourth proportional to 141,879.06, 195,671.70 and 101,181.42 is: 139,543.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,879.06 : 195,671.70 = 101,181.42 : x
  2. Step 2: Convert to fraction form
    141,879.06/195,671.70 = 101,181.42/x
  3. Step 3: Cross multiply
    141,879.06x = 195,671.70 × 101,181.42
  4. Step 4: Simplify right side
    141,879.06x = 19,798,340,459.81
  5. Step 5: Solve for x
    x = 19,798,340,459.81/141,879.06
  6. Step 6: Final answer
    x = 139,543.78

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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.