Home / 118,703.27-178,054.86-39,817.24

Finding the Fourth Proportional to 118,703.27, 178,054.86 and 39,817.24

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Solution

The fourth proportional to 118,703.27, 178,054.86 and 39,817.24 is: 59,725.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,703.27 : 178,054.86 = 39,817.24 : x
  2. Step 2: Convert to fraction form
    118,703.27/178,054.86 = 39,817.24/x
  3. Step 3: Cross multiply
    118,703.27x = 178,054.86 × 39,817.24
  4. Step 4: Simplify right side
    118,703.27x = 7,089,652,797.96
  5. Step 5: Solve for x
    x = 7,089,652,797.96/118,703.27
  6. Step 6: Final answer
    x = 59,725.84

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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.