Home / 190,043.20-284,997.60-65,355.20

Finding the Fourth Proportional to 190,043.20, 284,997.60 and 65,355.20

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Solution

The fourth proportional to 190,043.20, 284,997.60 and 65,355.20 is: 98,009.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,043.20 : 284,997.60 = 65,355.20 : x
  2. Step 2: Convert to fraction form
    190,043.20/284,997.60 = 65,355.20/x
  3. Step 3: Cross multiply
    190,043.20x = 284,997.60 × 65,355.20
  4. Step 4: Simplify right side
    190,043.20x = 18,626,075,147.52
  5. Step 5: Solve for x
    x = 18,626,075,147.52/190,043.20
  6. Step 6: Final answer
    x = 98,009.69

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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.