Home / 146,679.72-219,984.34-67,718.09

Finding the Fourth Proportional to 146,679.72, 219,984.34 and 67,718.09

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Solution

The fourth proportional to 146,679.72, 219,984.34 and 67,718.09 is: 101,560.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,679.72 : 219,984.34 = 67,718.09 : x
  2. Step 2: Convert to fraction form
    146,679.72/219,984.34 = 67,718.09/x
  3. Step 3: Cross multiply
    146,679.72x = 219,984.34 × 67,718.09
  4. Step 4: Simplify right side
    146,679.72x = 14,896,919,334.71
  5. Step 5: Solve for x
    x = 14,896,919,334.71/146,679.72
  6. Step 6: Final answer
    x = 101,560.87

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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.