Home / 254,911.40-351,851.67-158,144.75

Finding the Fourth Proportional to 254,911.40, 351,851.67 and 158,144.75

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Solution

The fourth proportional to 254,911.40, 351,851.67 and 158,144.75 is: 218,285.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,911.40 : 351,851.67 = 158,144.75 : x
  2. Step 2: Convert to fraction form
    254,911.40/351,851.67 = 158,144.75/x
  3. Step 3: Cross multiply
    254,911.40x = 351,851.67 × 158,144.75
  4. Step 4: Simplify right side
    254,911.40x = 55,643,492,629.97
  5. Step 5: Solve for x
    x = 55,643,492,629.97/254,911.40
  6. Step 6: Final answer
    x = 218,285.62

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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.