Home / 203,537.07-305,333.37-70,381.58

Finding the Fourth Proportional to 203,537.07, 305,333.37 and 70,381.58

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Solution

The fourth proportional to 203,537.07, 305,333.37 and 70,381.58 is: 105,581.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,537.07 : 305,333.37 = 70,381.58 : x
  2. Step 2: Convert to fraction form
    203,537.07/305,333.37 = 70,381.58/x
  3. Step 3: Cross multiply
    203,537.07x = 305,333.37 × 70,381.58
  4. Step 4: Simplify right side
    203,537.07x = 21,489,843,480.66
  5. Step 5: Solve for x
    x = 21,489,843,480.66/203,537.07
  6. Step 6: Final answer
    x = 105,581.96

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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.