Home / 118,965.36-178,464.54-40,102.14

Finding the Fourth Proportional to 118,965.36, 178,464.54 and 40,102.14

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Solution

The fourth proportional to 118,965.36, 178,464.54 and 40,102.14 is: 60,158.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,965.36 : 178,464.54 = 40,102.14 : x
  2. Step 2: Convert to fraction form
    118,965.36/178,464.54 = 40,102.14/x
  3. Step 3: Cross multiply
    118,965.36x = 178,464.54 × 40,102.14
  4. Step 4: Simplify right side
    118,965.36x = 7,156,809,968.12
  5. Step 5: Solve for x
    x = 7,156,809,968.12/118,965.36
  6. Step 6: Final answer
    x = 60,158.77

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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.