Home / 214,090.33-321,140.70-71,937.64

Finding the Fourth Proportional to 214,090.33, 321,140.70 and 71,937.64

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Solution

The fourth proportional to 214,090.33, 321,140.70 and 71,937.64 is: 107,908.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,090.33 : 321,140.70 = 71,937.64 : x
  2. Step 2: Convert to fraction form
    214,090.33/321,140.70 = 71,937.64/x
  3. Step 3: Cross multiply
    214,090.33x = 321,140.70 × 71,937.64
  4. Step 4: Simplify right side
    214,090.33x = 23,102,104,065.95
  5. Step 5: Solve for x
    x = 23,102,104,065.95/214,090.33
  6. Step 6: Final answer
    x = 107,908.21

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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.