Home / 143,188.92-197,622.27-103,035.60

Finding the Fourth Proportional to 143,188.92, 197,622.27 and 103,035.60

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Solution

The fourth proportional to 143,188.92, 197,622.27 and 103,035.60 is: 142,204.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,188.92 : 197,622.27 = 103,035.60 : x
  2. Step 2: Convert to fraction form
    143,188.92/197,622.27 = 103,035.60/x
  3. Step 3: Cross multiply
    143,188.92x = 197,622.27 × 103,035.60
  4. Step 4: Simplify right side
    143,188.92x = 20,362,129,162.81
  5. Step 5: Solve for x
    x = 20,362,129,162.81/143,188.92
  6. Step 6: Final answer
    x = 142,204.64

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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.