Home / 103,860.14-143,327.06-56,113.48

Finding the Fourth Proportional to 103,860.14, 143,327.06 and 56,113.48

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Solution

The fourth proportional to 103,860.14, 143,327.06 and 56,113.48 is: 77,436.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,860.14 : 143,327.06 = 56,113.48 : x
  2. Step 2: Convert to fraction form
    103,860.14/143,327.06 = 56,113.48/x
  3. Step 3: Cross multiply
    103,860.14x = 143,327.06 × 56,113.48
  4. Step 4: Simplify right side
    103,860.14x = 8,042,579,896.73
  5. Step 5: Solve for x
    x = 8,042,579,896.73/103,860.14
  6. Step 6: Final answer
    x = 77,436.63

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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.