Home / 190,130.31-285,173.55-49,899.87

Finding the Fourth Proportional to 190,130.31, 285,173.55 and 49,899.87

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Solution

The fourth proportional to 190,130.31, 285,173.55 and 49,899.87 is: 74,844.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,130.31 : 285,173.55 = 49,899.87 : x
  2. Step 2: Convert to fraction form
    190,130.31/285,173.55 = 49,899.87/x
  3. Step 3: Cross multiply
    190,130.31x = 285,173.55 × 49,899.87
  4. Step 4: Simplify right side
    190,130.31x = 14,230,123,072.44
  5. Step 5: Solve for x
    x = 14,230,123,072.44/190,130.31
  6. Step 6: Final answer
    x = 74,844.05

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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.