Home / 146,647.20-202,372.38-79,579.20

Finding the Fourth Proportional to 146,647.20, 202,372.38 and 79,579.20

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Solution

The fourth proportional to 146,647.20, 202,372.38 and 79,579.20 is: 109,818.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,647.20 : 202,372.38 = 79,579.20 : x
  2. Step 2: Convert to fraction form
    146,647.20/202,372.38 = 79,579.20/x
  3. Step 3: Cross multiply
    146,647.20x = 202,372.38 × 79,579.20
  4. Step 4: Simplify right side
    146,647.20x = 16,104,632,102.50
  5. Step 5: Solve for x
    x = 16,104,632,102.50/146,647.20
  6. Step 6: Final answer
    x = 109,818.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.