Home / 141,556.56-212,385.78-71,383.02

Finding the Fourth Proportional to 141,556.56, 212,385.78 and 71,383.02

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Solution

The fourth proportional to 141,556.56, 212,385.78 and 71,383.02 is: 107,100.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,556.56 : 212,385.78 = 71,383.02 : x
  2. Step 2: Convert to fraction form
    141,556.56/212,385.78 = 71,383.02/x
  3. Step 3: Cross multiply
    141,556.56x = 212,385.78 × 71,383.02
  4. Step 4: Simplify right side
    141,556.56x = 15,160,738,381.46
  5. Step 5: Solve for x
    x = 15,160,738,381.46/141,556.56
  6. Step 6: Final answer
    x = 107,100.22

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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.