Home / 118,943.75-178,415.93-40,113.34

Finding the Fourth Proportional to 118,943.75, 178,415.93 and 40,113.34

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Solution

The fourth proportional to 118,943.75, 178,415.93 and 40,113.34 is: 60,170.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,943.75 : 178,415.93 = 40,113.34 : x
  2. Step 2: Convert to fraction form
    118,943.75/178,415.93 = 40,113.34/x
  3. Step 3: Cross multiply
    118,943.75x = 178,415.93 × 40,113.34
  4. Step 4: Simplify right side
    118,943.75x = 7,156,858,515.75
  5. Step 5: Solve for x
    x = 7,156,858,515.75/118,943.75
  6. Step 6: Final answer
    x = 60,170.11

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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.