Home / 254,412.24-381,626.46-127,983.39

Finding the Fourth Proportional to 254,412.24, 381,626.46 and 127,983.39

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Solution

The fourth proportional to 254,412.24, 381,626.46 and 127,983.39 is: 191,979.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,412.24 : 381,626.46 = 127,983.39 : x
  2. Step 2: Convert to fraction form
    254,412.24/381,626.46 = 127,983.39/x
  3. Step 3: Cross multiply
    254,412.24x = 381,626.46 × 127,983.39
  4. Step 4: Simplify right side
    254,412.24x = 48,841,848,064.50
  5. Step 5: Solve for x
    x = 48,841,848,064.50/254,412.24
  6. Step 6: Final answer
    x = 191,979.16

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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.