Home / 118,946.57-178,420.15-40,116.15

Finding the Fourth Proportional to 118,946.57, 178,420.15 and 40,116.15

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Solution

The fourth proportional to 118,946.57, 178,420.15 and 40,116.15 is: 60,174.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,946.57 : 178,420.15 = 40,116.15 : x
  2. Step 2: Convert to fraction form
    118,946.57/178,420.15 = 40,116.15/x
  3. Step 3: Cross multiply
    118,946.57x = 178,420.15 × 40,116.15
  4. Step 4: Simplify right side
    118,946.57x = 7,157,529,550.57
  5. Step 5: Solve for x
    x = 7,157,529,550.57/118,946.57
  6. Step 6: Final answer
    x = 60,174.33

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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.