Home / 118,913.06-178,388.04-40,021.13

Finding the Fourth Proportional to 118,913.06, 178,388.04 and 40,021.13

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Solution

The fourth proportional to 118,913.06, 178,388.04 and 40,021.13 is: 60,037.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,913.06 : 178,388.04 = 40,021.13 : x
  2. Step 2: Convert to fraction form
    118,913.06/178,388.04 = 40,021.13/x
  3. Step 3: Cross multiply
    118,913.06x = 178,388.04 × 40,021.13
  4. Step 4: Simplify right side
    118,913.06x = 7,139,290,939.29
  5. Step 5: Solve for x
    x = 7,139,290,939.29/118,913.06
  6. Step 6: Final answer
    x = 60,037.90

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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.