Home / 68,267.08-102,389.10-18,352.72

Finding the Fourth Proportional to 68,267.08, 102,389.10 and 18,352.72

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Solution

The fourth proportional to 68,267.08, 102,389.10 and 18,352.72 is: 27,525.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,267.08 : 102,389.10 = 18,352.72 : x
  2. Step 2: Convert to fraction form
    68,267.08/102,389.10 = 18,352.72/x
  3. Step 3: Cross multiply
    68,267.08x = 102,389.10 × 18,352.72
  4. Step 4: Simplify right side
    68,267.08x = 1,879,118,483.35
  5. Step 5: Solve for x
    x = 1,879,118,483.35/68,267.08
  6. Step 6: Final answer
    x = 27,525.98

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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.