Home / 254,941.78-351,828.18-140,225.26

Finding the Fourth Proportional to 254,941.78, 351,828.18 and 140,225.26

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Solution

The fourth proportional to 254,941.78, 351,828.18 and 140,225.26 is: 193,515.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,941.78 : 351,828.18 = 140,225.26 : x
  2. Step 2: Convert to fraction form
    254,941.78/351,828.18 = 140,225.26/x
  3. Step 3: Cross multiply
    254,941.78x = 351,828.18 × 140,225.26
  4. Step 4: Simplify right side
    254,941.78x = 49,335,198,015.83
  5. Step 5: Solve for x
    x = 49,335,198,015.83/254,941.78
  6. Step 6: Final answer
    x = 193,515.55

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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.