Home / 165,157.94-247,742.06-78,584.84

Finding the Fourth Proportional to 165,157.94, 247,742.06 and 78,584.84

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Solution

The fourth proportional to 165,157.94, 247,742.06 and 78,584.84 is: 117,879.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,157.94 : 247,742.06 = 78,584.84 : x
  2. Step 2: Convert to fraction form
    165,157.94/247,742.06 = 78,584.84/x
  3. Step 3: Cross multiply
    165,157.94x = 247,742.06 × 78,584.84
  4. Step 4: Simplify right side
    165,157.94x = 19,468,769,443.77
  5. Step 5: Solve for x
    x = 19,468,769,443.77/165,157.94
  6. Step 6: Final answer
    x = 117,879.70

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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.