Home / 118,964.16-178,407.36-40,057.20

Finding the Fourth Proportional to 118,964.16, 178,407.36 and 40,057.20

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Solution

The fourth proportional to 118,964.16, 178,407.36 and 40,057.20 is: 60,072.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,964.16 : 178,407.36 = 40,057.20 : x
  2. Step 2: Convert to fraction form
    118,964.16/178,407.36 = 40,057.20/x
  3. Step 3: Cross multiply
    118,964.16x = 178,407.36 × 40,057.20
  4. Step 4: Simplify right side
    118,964.16x = 7,146,499,300.99
  5. Step 5: Solve for x
    x = 7,146,499,300.99/118,964.16
  6. Step 6: Final answer
    x = 60,072.71

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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.