Home / 68,267.23-102,400.83-21,520.09

Finding the Fourth Proportional to 68,267.23, 102,400.83 and 21,520.09

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Solution

The fourth proportional to 68,267.23, 102,400.83 and 21,520.09 is: 32,280.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,267.23 : 102,400.83 = 21,520.09 : x
  2. Step 2: Convert to fraction form
    68,267.23/102,400.83 = 21,520.09/x
  3. Step 3: Cross multiply
    68,267.23x = 102,400.83 × 21,520.09
  4. Step 4: Simplify right side
    68,267.23x = 2,203,675,077.67
  5. Step 5: Solve for x
    x = 2,203,675,077.67/68,267.23
  6. Step 6: Final answer
    x = 32,280.13

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1.5x scale

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.