Home / 118,929.96-178,422.24-40,042.08

Finding the Fourth Proportional to 118,929.96, 178,422.24 and 40,042.08

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Solution

The fourth proportional to 118,929.96, 178,422.24 and 40,042.08 is: 60,072.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,929.96 : 178,422.24 = 40,042.08 : x
  2. Step 2: Convert to fraction form
    118,929.96/178,422.24 = 40,042.08/x
  3. Step 3: Cross multiply
    118,929.96x = 178,422.24 × 40,042.08
  4. Step 4: Simplify right side
    118,929.96x = 7,144,397,607.86
  5. Step 5: Solve for x
    x = 7,144,397,607.86/118,929.96
  6. Step 6: Final answer
    x = 60,072.31

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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.