Home / 141,856.12-195,775.24-105,983.86

Finding the Fourth Proportional to 141,856.12, 195,775.24 and 105,983.86

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Solution

The fourth proportional to 141,856.12, 195,775.24 and 105,983.86 is: 146,268.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,856.12 : 195,775.24 = 105,983.86 : x
  2. Step 2: Convert to fraction form
    141,856.12/195,775.24 = 105,983.86/x
  3. Step 3: Cross multiply
    141,856.12x = 195,775.24 × 105,983.86
  4. Step 4: Simplify right side
    141,856.12x = 20,749,015,627.63
  5. Step 5: Solve for x
    x = 20,749,015,627.63/141,856.12
  6. Step 6: Final answer
    x = 146,268.03

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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.