Home / 146,730.30-219,840.30-67,682.40

Finding the Fourth Proportional to 146,730.30, 219,840.30 and 67,682.40

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Solution

The fourth proportional to 146,730.30, 219,840.30 and 67,682.40 is: 101,405.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,730.30 : 219,840.30 = 67,682.40 : x
  2. Step 2: Convert to fraction form
    146,730.30/219,840.30 = 67,682.40/x
  3. Step 3: Cross multiply
    146,730.30x = 219,840.30 × 67,682.40
  4. Step 4: Simplify right side
    146,730.30x = 14,879,319,120.72
  5. Step 5: Solve for x
    x = 14,879,319,120.72/146,730.30
  6. Step 6: Final answer
    x = 101,405.91

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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.