Home / 68,567.04-102,857.85-18,647.96

Finding the Fourth Proportional to 68,567.04, 102,857.85 and 18,647.96

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Solution

The fourth proportional to 68,567.04, 102,857.85 and 18,647.96 is: 27,973.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,567.04 : 102,857.85 = 18,647.96 : x
  2. Step 2: Convert to fraction form
    68,567.04/102,857.85 = 18,647.96/x
  3. Step 3: Cross multiply
    68,567.04x = 102,857.85 × 18,647.96
  4. Step 4: Simplify right side
    68,567.04x = 1,918,088,558.20
  5. Step 5: Solve for x
    x = 1,918,088,558.20/68,567.04
  6. Step 6: Final answer
    x = 27,973.92

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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.