Home / 103,944.90-143,443.95-56,198.22

Finding the Fourth Proportional to 103,944.90, 143,443.95 and 56,198.22

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Solution

The fourth proportional to 103,944.90, 143,443.95 and 56,198.22 is: 77,553.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,944.90 : 143,443.95 = 56,198.22 : x
  2. Step 2: Convert to fraction form
    103,944.90/143,443.95 = 56,198.22/x
  3. Step 3: Cross multiply
    103,944.90x = 143,443.95 × 56,198.22
  4. Step 4: Simplify right side
    103,944.90x = 8,061,294,659.77
  5. Step 5: Solve for x
    x = 8,061,294,659.77/103,944.90
  6. Step 6: Final answer
    x = 77,553.54

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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.