Home / 143,355.81-197,539.27-110,893.21

Finding the Fourth Proportional to 143,355.81, 197,539.27 and 110,893.21

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Solution

The fourth proportional to 143,355.81, 197,539.27 and 110,893.21 is: 152,806.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,355.81 : 197,539.27 = 110,893.21 : x
  2. Step 2: Convert to fraction form
    143,355.81/197,539.27 = 110,893.21/x
  3. Step 3: Cross multiply
    143,355.81x = 197,539.27 × 110,893.21
  4. Step 4: Simplify right side
    143,355.81x = 21,905,763,751.36
  5. Step 5: Solve for x
    x = 21,905,763,751.36/143,355.81
  6. Step 6: Final answer
    x = 152,806.95

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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.