Home / 254,305.76-381,441.72-104,507.24

Finding the Fourth Proportional to 254,305.76, 381,441.72 and 104,507.24

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Solution

The fourth proportional to 254,305.76, 381,441.72 and 104,507.24 is: 156,753.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,305.76 : 381,441.72 = 104,507.24 : x
  2. Step 2: Convert to fraction form
    254,305.76/381,441.72 = 104,507.24/x
  3. Step 3: Cross multiply
    254,305.76x = 381,441.72 × 104,507.24
  4. Step 4: Simplify right side
    254,305.76x = 39,863,421,378.05
  5. Step 5: Solve for x
    x = 39,863,421,378.05/254,305.76
  6. Step 6: Final answer
    x = 156,753.91

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1.5x scale

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.