Home / 235,030.82-352,493.37-85,272.35

Finding the Fourth Proportional to 235,030.82, 352,493.37 and 85,272.35

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Solution

The fourth proportional to 235,030.82, 352,493.37 and 85,272.35 is: 127,889.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,030.82 : 352,493.37 = 85,272.35 : x
  2. Step 2: Convert to fraction form
    235,030.82/352,493.37 = 85,272.35/x
  3. Step 3: Cross multiply
    235,030.82x = 352,493.37 × 85,272.35
  4. Step 4: Simplify right side
    235,030.82x = 30,057,936,256.85
  5. Step 5: Solve for x
    x = 30,057,936,256.85/235,030.82
  6. Step 6: Final answer
    x = 127,889.34

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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.