Home / 146,207.10-219,201.30-79,722.30

Finding the Fourth Proportional to 146,207.10, 219,201.30 and 79,722.30

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Solution

The fourth proportional to 146,207.10, 219,201.30 and 79,722.30 is: 119,523.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,207.10 : 219,201.30 = 79,722.30 : x
  2. Step 2: Convert to fraction form
    146,207.10/219,201.30 = 79,722.30/x
  3. Step 3: Cross multiply
    146,207.10x = 219,201.30 × 79,722.30
  4. Step 4: Simplify right side
    146,207.10x = 17,475,231,798.99
  5. Step 5: Solve for x
    x = 17,475,231,798.99/146,207.10
  6. Step 6: Final answer
    x = 119,523.82

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1.5x scale

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.