Home / 190,148.06-285,200.49-49,917.62

Finding the Fourth Proportional to 190,148.06, 285,200.49 and 49,917.62

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Solution

The fourth proportional to 190,148.06, 285,200.49 and 49,917.62 is: 74,870.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,148.06 : 285,200.49 = 49,917.62 : x
  2. Step 2: Convert to fraction form
    190,148.06/285,200.49 = 49,917.62/x
  3. Step 3: Cross multiply
    190,148.06x = 285,200.49 × 49,917.62
  4. Step 4: Simplify right side
    190,148.06x = 14,236,529,683.63
  5. Step 5: Solve for x
    x = 14,236,529,683.63/190,148.06
  6. Step 6: Final answer
    x = 74,870.76

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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.