Home / 143,026.67-197,450.29-100,773.83

Finding the Fourth Proportional to 143,026.67, 197,450.29 and 100,773.83

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Solution

The fourth proportional to 143,026.67, 197,450.29 and 100,773.83 is: 139,119.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,026.67 : 197,450.29 = 100,773.83 : x
  2. Step 2: Convert to fraction form
    143,026.67/197,450.29 = 100,773.83/x
  3. Step 3: Cross multiply
    143,026.67x = 197,450.29 × 100,773.83
  4. Step 4: Simplify right side
    143,026.67x = 19,897,822,577.50
  5. Step 5: Solve for x
    x = 19,897,822,577.50/143,026.67
  6. Step 6: Final answer
    x = 139,119.66

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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.