Home / 121,621.55-167,953.23-114,994.94

Finding the Fourth Proportional to 121,621.55, 167,953.23 and 114,994.94

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Solution

The fourth proportional to 121,621.55, 167,953.23 and 114,994.94 is: 158,802.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,621.55 : 167,953.23 = 114,994.94 : x
  2. Step 2: Convert to fraction form
    121,621.55/167,953.23 = 114,994.94/x
  3. Step 3: Cross multiply
    121,621.55x = 167,953.23 × 114,994.94
  4. Step 4: Simplify right side
    121,621.55x = 19,313,770,766.89
  5. Step 5: Solve for x
    x = 19,313,770,766.89/121,621.55
  6. Step 6: Final answer
    x = 158,802.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.