Home / 229,172.55-343,768.14-109,167.81

Finding the Fourth Proportional to 229,172.55, 343,768.14 and 109,167.81

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Solution

The fourth proportional to 229,172.55, 343,768.14 and 109,167.81 is: 163,756.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,172.55 : 343,768.14 = 109,167.81 : x
  2. Step 2: Convert to fraction form
    229,172.55/343,768.14 = 109,167.81/x
  3. Step 3: Cross multiply
    229,172.55x = 343,768.14 × 109,167.81
  4. Step 4: Simplify right side
    229,172.55x = 37,528,414,991.57
  5. Step 5: Solve for x
    x = 37,528,414,991.57/229,172.55
  6. Step 6: Final answer
    x = 163,756.15

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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.