Home / 190,327.68-285,480-50,086.08

Finding the Fourth Proportional to 190,327.68, 285,480 and 50,086.08

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Solution

The fourth proportional to 190,327.68, 285,480 and 50,086.08 is: 75,126.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,327.68 : 285,480 = 50,086.08 : x
  2. Step 2: Convert to fraction form
    190,327.68/285,480 = 50,086.08/x
  3. Step 3: Cross multiply
    190,327.68x = 285,480 × 50,086.08
  4. Step 4: Simplify right side
    190,327.68x = 14,298,574,118.40
  5. Step 5: Solve for x
    x = 14,298,574,118.40/190,327.68
  6. Step 6: Final answer
    x = 75,126.09

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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.