Home / 78,194.24-107,908.44-45,950.60

Finding the Fourth Proportional to 78,194.24, 107,908.44 and 45,950.60

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Solution

The fourth proportional to 78,194.24, 107,908.44 and 45,950.60 is: 63,412.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,194.24 : 107,908.44 = 45,950.60 : x
  2. Step 2: Convert to fraction form
    78,194.24/107,908.44 = 45,950.60/x
  3. Step 3: Cross multiply
    78,194.24x = 107,908.44 × 45,950.60
  4. Step 4: Simplify right side
    78,194.24x = 4,958,457,563.06
  5. Step 5: Solve for x
    x = 4,958,457,563.06/78,194.24
  6. Step 6: Final answer
    x = 63,412.06

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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.