Home / 254,153.10-381,106.52-76,627.02

Finding the Fourth Proportional to 254,153.10, 381,106.52 and 76,627.02

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Solution

The fourth proportional to 254,153.10, 381,106.52 and 76,627.02 is: 114,903.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,153.10 : 381,106.52 = 76,627.02 : x
  2. Step 2: Convert to fraction form
    254,153.10/381,106.52 = 76,627.02/x
  3. Step 3: Cross multiply
    254,153.10x = 381,106.52 × 76,627.02
  4. Step 4: Simplify right side
    254,153.10x = 29,203,056,930.17
  5. Step 5: Solve for x
    x = 29,203,056,930.17/254,153.10
  6. Step 6: Final answer
    x = 114,903.41

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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.