Home / 190,529.82-285,794.85-48,385.74

Finding the Fourth Proportional to 190,529.82, 285,794.85 and 48,385.74

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Solution

The fourth proportional to 190,529.82, 285,794.85 and 48,385.74 is: 72,578.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,529.82 : 285,794.85 = 48,385.74 : x
  2. Step 2: Convert to fraction form
    190,529.82/285,794.85 = 48,385.74/x
  3. Step 3: Cross multiply
    190,529.82x = 285,794.85 × 48,385.74
  4. Step 4: Simplify right side
    190,529.82x = 13,828,395,305.44
  5. Step 5: Solve for x
    x = 13,828,395,305.44/190,529.82
  6. Step 6: Final answer
    x = 72,578.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.