Home / 142,705.80-214,040.19-53,947.74

Finding the Fourth Proportional to 142,705.80, 214,040.19 and 53,947.74

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Solution

The fourth proportional to 142,705.80, 214,040.19 and 53,947.74 is: 80,914.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,705.80 : 214,040.19 = 53,947.74 : x
  2. Step 2: Convert to fraction form
    142,705.80/214,040.19 = 53,947.74/x
  3. Step 3: Cross multiply
    142,705.80x = 214,040.19 × 53,947.74
  4. Step 4: Simplify right side
    142,705.80x = 11,546,984,519.67
  5. Step 5: Solve for x
    x = 11,546,984,519.67/142,705.80
  6. Step 6: Final answer
    x = 80,914.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.