Home / 103,676.20-143,073-58,354.51

Finding the Fourth Proportional to 103,676.20, 143,073 and 58,354.51

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Solution

The fourth proportional to 103,676.20, 143,073 and 58,354.51 is: 80,529.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,676.20 : 143,073 = 58,354.51 : x
  2. Step 2: Convert to fraction form
    103,676.20/143,073 = 58,354.51/x
  3. Step 3: Cross multiply
    103,676.20x = 143,073 × 58,354.51
  4. Step 4: Simplify right side
    103,676.20x = 8,348,954,809.23
  5. Step 5: Solve for x
    x = 8,348,954,809.23/103,676.20
  6. Step 6: Final answer
    x = 80,529.14

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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.