Home / 170,781.40-256,172.10-168,448.60

Finding the Fourth Proportional to 170,781.40, 256,172.10 and 168,448.60

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Solution

The fourth proportional to 170,781.40, 256,172.10 and 168,448.60 is: 252,672.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,781.40 : 256,172.10 = 168,448.60 : x
  2. Step 2: Convert to fraction form
    170,781.40/256,172.10 = 168,448.60/x
  3. Step 3: Cross multiply
    170,781.40x = 256,172.10 × 168,448.60
  4. Step 4: Simplify right side
    170,781.40x = 43,151,831,604.06
  5. Step 5: Solve for x
    x = 43,151,831,604.06/170,781.40
  6. Step 6: Final answer
    x = 252,672.90

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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.