Home / 143,459.24-197,957.94-83,018.12

Finding the Fourth Proportional to 143,459.24, 197,957.94 and 83,018.12

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Solution

The fourth proportional to 143,459.24, 197,957.94 and 83,018.12 is: 114,555.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,459.24 : 197,957.94 = 83,018.12 : x
  2. Step 2: Convert to fraction form
    143,459.24/197,957.94 = 83,018.12/x
  3. Step 3: Cross multiply
    143,459.24x = 197,957.94 × 83,018.12
  4. Step 4: Simplify right side
    143,459.24x = 16,434,096,017.87
  5. Step 5: Solve for x
    x = 16,434,096,017.87/143,459.24
  6. Step 6: Final answer
    x = 114,555.86

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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.