Home / 254,150.10-381,102.03-76,624.02

Finding the Fourth Proportional to 254,150.10, 381,102.03 and 76,624.02

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Solution

The fourth proportional to 254,150.10, 381,102.03 and 76,624.02 is: 114,898.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,150.10 : 381,102.03 = 76,624.02 : x
  2. Step 2: Convert to fraction form
    254,150.10/381,102.03 = 76,624.02/x
  3. Step 3: Cross multiply
    254,150.10x = 381,102.03 × 76,624.02
  4. Step 4: Simplify right side
    254,150.10x = 29,201,569,568.76
  5. Step 5: Solve for x
    x = 29,201,569,568.76/254,150.10
  6. Step 6: Final answer
    x = 114,898.91

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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.