Home / 214,923.36-322,056.72-90,196.32

Finding the Fourth Proportional to 214,923.36, 322,056.72 and 90,196.32

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Solution

The fourth proportional to 214,923.36, 322,056.72 and 90,196.32 is: 135,156.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,923.36 : 322,056.72 = 90,196.32 : x
  2. Step 2: Convert to fraction form
    214,923.36/322,056.72 = 90,196.32/x
  3. Step 3: Cross multiply
    214,923.36x = 322,056.72 × 90,196.32
  4. Step 4: Simplify right side
    214,923.36x = 29,048,330,975.27
  5. Step 5: Solve for x
    x = 29,048,330,975.27/214,923.36
  6. Step 6: Final answer
    x = 135,156.69

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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.