Home / 78,190.45-107,901.65-44,197.74

Finding the Fourth Proportional to 78,190.45, 107,901.65 and 44,197.74

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Solution

The fourth proportional to 78,190.45, 107,901.65 and 44,197.74 is: 60,992.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,190.45 : 107,901.65 = 44,197.74 : x
  2. Step 2: Convert to fraction form
    78,190.45/107,901.65 = 44,197.74/x
  3. Step 3: Cross multiply
    78,190.45x = 107,901.65 × 44,197.74
  4. Step 4: Simplify right side
    78,190.45x = 4,769,008,311.77
  5. Step 5: Solve for x
    x = 4,769,008,311.77/78,190.45
  6. Step 6: Final answer
    x = 60,992.21

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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.