Home / 103,731.84-143,124.66-58,401

Finding the Fourth Proportional to 103,731.84, 143,124.66 and 58,401

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Solution

The fourth proportional to 103,731.84, 143,124.66 and 58,401 is: 80,579.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,731.84 : 143,124.66 = 58,401 : x
  2. Step 2: Convert to fraction form
    103,731.84/143,124.66 = 58,401/x
  3. Step 3: Cross multiply
    103,731.84x = 143,124.66 × 58,401
  4. Step 4: Simplify right side
    103,731.84x = 8,358,623,268.66
  5. Step 5: Solve for x
    x = 8,358,623,268.66/103,731.84
  6. Step 6: Final answer
    x = 80,579.15

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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.