Home / 190,502.83-285,732.34-50,272.39

Finding the Fourth Proportional to 190,502.83, 285,732.34 and 50,272.39

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Solution

The fourth proportional to 190,502.83, 285,732.34 and 50,272.39 is: 75,402.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,502.83 : 285,732.34 = 50,272.39 : x
  2. Step 2: Convert to fraction form
    190,502.83/285,732.34 = 50,272.39/x
  3. Step 3: Cross multiply
    190,502.83x = 285,732.34 × 50,272.39
  4. Step 4: Simplify right side
    190,502.83x = 14,364,447,632.09
  5. Step 5: Solve for x
    x = 14,364,447,632.09/190,502.83
  6. Step 6: Final answer
    x = 75,402.80

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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.