Home / 143,023.26-197,408.36-97,719.54

Finding the Fourth Proportional to 143,023.26, 197,408.36 and 97,719.54

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Solution

The fourth proportional to 143,023.26, 197,408.36 and 97,719.54 is: 134,877.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,023.26 : 197,408.36 = 97,719.54 : x
  2. Step 2: Convert to fraction form
    143,023.26/197,408.36 = 97,719.54/x
  3. Step 3: Cross multiply
    143,023.26x = 197,408.36 × 97,719.54
  4. Step 4: Simplify right side
    143,023.26x = 19,290,654,131.35
  5. Step 5: Solve for x
    x = 19,290,654,131.35/143,023.26
  6. Step 6: Final answer
    x = 134,877.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.