Home / 118,705.27-178,057.86-39,819.24

Finding the Fourth Proportional to 118,705.27, 178,057.86 and 39,819.24

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Solution

The fourth proportional to 118,705.27, 178,057.86 and 39,819.24 is: 59,728.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,705.27 : 178,057.86 = 39,819.24 : x
  2. Step 2: Convert to fraction form
    118,705.27/178,057.86 = 39,819.24/x
  3. Step 3: Cross multiply
    118,705.27x = 178,057.86 × 39,819.24
  4. Step 4: Simplify right side
    118,705.27x = 7,090,128,661.23
  5. Step 5: Solve for x
    x = 7,090,128,661.23/118,705.27
  6. Step 6: Final answer
    x = 59,728.84

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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.