Home / 146,769.30-219,898.80-67,721.40

Finding the Fourth Proportional to 146,769.30, 219,898.80 and 67,721.40

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Solution

The fourth proportional to 146,769.30, 219,898.80 and 67,721.40 is: 101,464.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,769.30 : 219,898.80 = 67,721.40 : x
  2. Step 2: Convert to fraction form
    146,769.30/219,898.80 = 67,721.40/x
  3. Step 3: Cross multiply
    146,769.30x = 219,898.80 × 67,721.40
  4. Step 4: Simplify right side
    146,769.30x = 14,891,854,594.32
  5. Step 5: Solve for x
    x = 14,891,854,594.32/146,769.30
  6. Step 6: Final answer
    x = 101,464.37

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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.