Home / 203,536.04-305,331.88-70,380.56

Finding the Fourth Proportional to 203,536.04, 305,331.88 and 70,380.56

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Solution

The fourth proportional to 203,536.04, 305,331.88 and 70,380.56 is: 105,580.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,536.04 : 305,331.88 = 70,380.56 : x
  2. Step 2: Convert to fraction form
    203,536.04/305,331.88 = 70,380.56/x
  3. Step 3: Cross multiply
    203,536.04x = 305,331.88 × 70,380.56
  4. Step 4: Simplify right side
    203,536.04x = 21,489,428,700.25
  5. Step 5: Solve for x
    x = 21,489,428,700.25/203,536.04
  6. Step 6: Final answer
    x = 105,580.46

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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.