Home / 190,011.90-284,829.85-89,996.30

Finding the Fourth Proportional to 190,011.90, 284,829.85 and 89,996.30

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Solution

The fourth proportional to 190,011.90, 284,829.85 and 89,996.30 is: 134,905.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,011.90 : 284,829.85 = 89,996.30 : x
  2. Step 2: Convert to fraction form
    190,011.90/284,829.85 = 89,996.30/x
  3. Step 3: Cross multiply
    190,011.90x = 284,829.85 × 89,996.30
  4. Step 4: Simplify right side
    190,011.90x = 25,633,632,629.56
  5. Step 5: Solve for x
    x = 25,633,632,629.56/190,011.90
  6. Step 6: Final answer
    x = 134,905.41

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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.