Home / 143,451.94-197,973.58-79,795.66

Finding the Fourth Proportional to 143,451.94, 197,973.58 and 79,795.66

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Solution

The fourth proportional to 143,451.94, 197,973.58 and 79,795.66 is: 110,123.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,451.94 : 197,973.58 = 79,795.66 : x
  2. Step 2: Convert to fraction form
    143,451.94/197,973.58 = 79,795.66/x
  3. Step 3: Cross multiply
    143,451.94x = 197,973.58 × 79,795.66
  4. Step 4: Simplify right side
    143,451.94x = 15,797,432,478.66
  5. Step 5: Solve for x
    x = 15,797,432,478.66/143,451.94
  6. Step 6: Final answer
    x = 110,123.52

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