Home / 146,721.30-219,826.80-67,673.40

Finding the Fourth Proportional to 146,721.30, 219,826.80 and 67,673.40

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Solution

The fourth proportional to 146,721.30, 219,826.80 and 67,673.40 is: 101,392.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,721.30 : 219,826.80 = 67,673.40 : x
  2. Step 2: Convert to fraction form
    146,721.30/219,826.80 = 67,673.40/x
  3. Step 3: Cross multiply
    146,721.30x = 219,826.80 × 67,673.40
  4. Step 4: Simplify right side
    146,721.30x = 14,876,426,967.12
  5. Step 5: Solve for x
    x = 14,876,426,967.12/146,721.30
  6. Step 6: Final answer
    x = 101,392.42

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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.