Home / 100,277.56-138,382.98-59,992.96

Finding the Fourth Proportional to 100,277.56, 138,382.98 and 59,992.96

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Solution

The fourth proportional to 100,277.56, 138,382.98 and 59,992.96 is: 82,790.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,277.56 : 138,382.98 = 59,992.96 : x
  2. Step 2: Convert to fraction form
    100,277.56/138,382.98 = 59,992.96/x
  3. Step 3: Cross multiply
    100,277.56x = 138,382.98 × 59,992.96
  4. Step 4: Simplify right side
    100,277.56x = 8,302,004,583.82
  5. Step 5: Solve for x
    x = 8,302,004,583.82/100,277.56
  6. Step 6: Final answer
    x = 82,790.25

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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.