Home / 146,119.20-219,027.60-79,418.40

Finding the Fourth Proportional to 146,119.20, 219,027.60 and 79,418.40

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Solution

The fourth proportional to 146,119.20, 219,027.60 and 79,418.40 is: 119,045.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,119.20 : 219,027.60 = 79,418.40 : x
  2. Step 2: Convert to fraction form
    146,119.20/219,027.60 = 79,418.40/x
  3. Step 3: Cross multiply
    146,119.20x = 219,027.60 × 79,418.40
  4. Step 4: Simplify right side
    146,119.20x = 17,394,821,547.84
  5. Step 5: Solve for x
    x = 17,394,821,547.84/146,119.20
  6. Step 6: Final answer
    x = 119,045.42

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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.