Home / 203,667.03-305,427.64-70,511.54

Finding the Fourth Proportional to 203,667.03, 305,427.64 and 70,511.54

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Solution

The fourth proportional to 203,667.03, 305,427.64 and 70,511.54 is: 105,742.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,667.03 : 305,427.64 = 70,511.54 : x
  2. Step 2: Convert to fraction form
    203,667.03/305,427.64 = 70,511.54/x
  3. Step 3: Cross multiply
    203,667.03x = 305,427.64 × 70,511.54
  4. Step 4: Simplify right side
    203,667.03x = 21,536,173,254.97
  5. Step 5: Solve for x
    x = 21,536,173,254.97/203,667.03
  6. Step 6: Final answer
    x = 105,742.07

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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.