Home / 143,183.93-197,615.36-103,030.61

Finding the Fourth Proportional to 143,183.93, 197,615.36 and 103,030.61

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Solution

The fourth proportional to 143,183.93, 197,615.36 and 103,030.61 is: 142,197.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,183.93 : 197,615.36 = 103,030.61 : x
  2. Step 2: Convert to fraction form
    143,183.93/197,615.36 = 103,030.61/x
  3. Step 3: Cross multiply
    143,183.93x = 197,615.36 × 103,030.61
  4. Step 4: Simplify right side
    143,183.93x = 20,360,430,355.67
  5. Step 5: Solve for x
    x = 20,360,430,355.67/143,183.93
  6. Step 6: Final answer
    x = 142,197.74

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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.