Home / 214,028.80-320,697.60-135,001.60

Finding the Fourth Proportional to 214,028.80, 320,697.60 and 135,001.60

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Solution

The fourth proportional to 214,028.80, 320,697.60 and 135,001.60 is: 202,284.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,028.80 : 320,697.60 = 135,001.60 : x
  2. Step 2: Convert to fraction form
    214,028.80/320,697.60 = 135,001.60/x
  3. Step 3: Cross multiply
    214,028.80x = 320,697.60 × 135,001.60
  4. Step 4: Simplify right side
    214,028.80x = 43,294,689,116.16
  5. Step 5: Solve for x
    x = 43,294,689,116.16/214,028.80
  6. Step 6: Final answer
    x = 202,284.41

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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.