Home / 104,639.37-144,401.60-56,892.73

Finding the Fourth Proportional to 104,639.37, 144,401.60 and 56,892.73

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Solution

The fourth proportional to 104,639.37, 144,401.60 and 56,892.73 is: 78,511.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,639.37 : 144,401.60 = 56,892.73 : x
  2. Step 2: Convert to fraction form
    104,639.37/144,401.60 = 56,892.73/x
  3. Step 3: Cross multiply
    104,639.37x = 144,401.60 × 56,892.73
  4. Step 4: Simplify right side
    104,639.37x = 8,215,401,240.37
  5. Step 5: Solve for x
    x = 8,215,401,240.37/104,639.37
  6. Step 6: Final answer
    x = 78,511.57

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1.5x scale

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.