Home / 141,820.56-195,712.44-77,289.83

Finding the Fourth Proportional to 141,820.56, 195,712.44 and 77,289.83

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Solution

The fourth proportional to 141,820.56, 195,712.44 and 77,289.83 is: 106,660.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,820.56 : 195,712.44 = 77,289.83 : x
  2. Step 2: Convert to fraction form
    141,820.56/195,712.44 = 77,289.83/x
  3. Step 3: Cross multiply
    141,820.56x = 195,712.44 × 77,289.83
  4. Step 4: Simplify right side
    141,820.56x = 15,126,580,237.92
  5. Step 5: Solve for x
    x = 15,126,580,237.92/141,820.56
  6. Step 6: Final answer
    x = 106,660.00

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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.