Home / 118,723.86-178,066.76-43,879.32

Finding the Fourth Proportional to 118,723.86, 178,066.76 and 43,879.32

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Solution

The fourth proportional to 118,723.86, 178,066.76 and 43,879.32 is: 65,811.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,723.86 : 178,066.76 = 43,879.32 : x
  2. Step 2: Convert to fraction form
    118,723.86/178,066.76 = 43,879.32/x
  3. Step 3: Cross multiply
    118,723.86x = 178,066.76 × 43,879.32
  4. Step 4: Simplify right side
    118,723.86x = 7,813,448,124.01
  5. Step 5: Solve for x
    x = 7,813,448,124.01/118,723.86
  6. Step 6: Final answer
    x = 65,811.94

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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.