Home / 259,961.28-389,941.92-93,749.28

Finding the Fourth Proportional to 259,961.28, 389,941.92 and 93,749.28

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Solution

The fourth proportional to 259,961.28, 389,941.92 and 93,749.28 is: 140,623.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,961.28 : 389,941.92 = 93,749.28 : x
  2. Step 2: Convert to fraction form
    259,961.28/389,941.92 = 93,749.28/x
  3. Step 3: Cross multiply
    259,961.28x = 389,941.92 × 93,749.28
  4. Step 4: Simplify right side
    259,961.28x = 36,556,774,241.82
  5. Step 5: Solve for x
    x = 36,556,774,241.82/259,961.28
  6. Step 6: Final answer
    x = 140,623.92

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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.