Home / 190,129.05-285,178.73-49,884.03

Finding the Fourth Proportional to 190,129.05, 285,178.73 and 49,884.03

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Solution

The fourth proportional to 190,129.05, 285,178.73 and 49,884.03 is: 74,822.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,129.05 : 285,178.73 = 49,884.03 : x
  2. Step 2: Convert to fraction form
    190,129.05/285,178.73 = 49,884.03/x
  3. Step 3: Cross multiply
    190,129.05x = 285,178.73 × 49,884.03
  4. Step 4: Simplify right side
    190,129.05x = 14,225,864,073.26
  5. Step 5: Solve for x
    x = 14,225,864,073.26/190,129.05
  6. Step 6: Final answer
    x = 74,822.15

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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.