Home / 146,323.08-219,315.20-67,271.40

Finding the Fourth Proportional to 146,323.08, 219,315.20 and 67,271.40

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Solution

The fourth proportional to 146,323.08, 219,315.20 and 67,271.40 is: 100,829.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,323.08 : 219,315.20 = 67,271.40 : x
  2. Step 2: Convert to fraction form
    146,323.08/219,315.20 = 67,271.40/x
  3. Step 3: Cross multiply
    146,323.08x = 219,315.20 × 67,271.40
  4. Step 4: Simplify right side
    146,323.08x = 14,753,640,208.92
  5. Step 5: Solve for x
    x = 14,753,640,208.92/146,323.08
  6. Step 6: Final answer
    x = 100,829.21

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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.