Home / 143,267.67-197,705.48-79,603.83

Finding the Fourth Proportional to 143,267.67, 197,705.48 and 79,603.83

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Solution

The fourth proportional to 143,267.67, 197,705.48 and 79,603.83 is: 109,851.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,267.67 : 197,705.48 = 79,603.83 : x
  2. Step 2: Convert to fraction form
    143,267.67/197,705.48 = 79,603.83/x
  3. Step 3: Cross multiply
    143,267.67x = 197,705.48 × 79,603.83
  4. Step 4: Simplify right side
    143,267.67x = 15,738,113,021.97
  5. Step 5: Solve for x
    x = 15,738,113,021.97/143,267.67
  6. Step 6: Final answer
    x = 109,851.11

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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.