Home / 118,981.38-178,466.94-40,095.30

Finding the Fourth Proportional to 118,981.38, 178,466.94 and 40,095.30

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Solution

The fourth proportional to 118,981.38, 178,466.94 and 40,095.30 is: 60,141.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,981.38 : 178,466.94 = 40,095.30 : x
  2. Step 2: Convert to fraction form
    118,981.38/178,466.94 = 40,095.30/x
  3. Step 3: Cross multiply
    118,981.38x = 178,466.94 × 40,095.30
  4. Step 4: Simplify right side
    118,981.38x = 7,155,685,499.38
  5. Step 5: Solve for x
    x = 7,155,685,499.38/118,981.38
  6. Step 6: Final answer
    x = 60,141.22

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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.