Home / 103,989.24-143,498.70-58,674.36

Finding the Fourth Proportional to 103,989.24, 143,498.70 and 58,674.36

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Solution

The fourth proportional to 103,989.24, 143,498.70 and 58,674.36 is: 80,966.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,989.24 : 143,498.70 = 58,674.36 : x
  2. Step 2: Convert to fraction form
    103,989.24/143,498.70 = 58,674.36/x
  3. Step 3: Cross multiply
    103,989.24x = 143,498.70 × 58,674.36
  4. Step 4: Simplify right side
    103,989.24x = 8,419,694,383.33
  5. Step 5: Solve for x
    x = 8,419,694,383.33/103,989.24
  6. Step 6: Final answer
    x = 80,966.98

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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.