Home / 146,223.35-219,335.01-79,719.40

Finding the Fourth Proportional to 146,223.35, 219,335.01 and 79,719.40

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Solution

The fourth proportional to 146,223.35, 219,335.01 and 79,719.40 is: 119,579.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,223.35 : 219,335.01 = 79,719.40 : x
  2. Step 2: Convert to fraction form
    146,223.35/219,335.01 = 79,719.40/x
  3. Step 3: Cross multiply
    146,223.35x = 219,335.01 × 79,719.40
  4. Step 4: Simplify right side
    146,223.35x = 17,485,255,396.19
  5. Step 5: Solve for x
    x = 17,485,255,396.19/146,223.35
  6. Step 6: Final answer
    x = 119,579.09

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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.