Home / 254,643.32-351,414.04-139,921.04

Finding the Fourth Proportional to 254,643.32, 351,414.04 and 139,921.04

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Solution

The fourth proportional to 254,643.32, 351,414.04 and 139,921.04 is: 193,094.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,643.32 : 351,414.04 = 139,921.04 : x
  2. Step 2: Convert to fraction form
    254,643.32/351,414.04 = 139,921.04/x
  3. Step 3: Cross multiply
    254,643.32x = 351,414.04 × 139,921.04
  4. Step 4: Simplify right side
    254,643.32x = 49,170,217,947.40
  5. Step 5: Solve for x
    x = 49,170,217,947.40/254,643.32
  6. Step 6: Final answer
    x = 193,094.47

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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.