Home / 68,159.10-102,155.75-36,491.34

Finding the Fourth Proportional to 68,159.10, 102,155.75 and 36,491.34

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Solution

The fourth proportional to 68,159.10, 102,155.75 and 36,491.34 is: 54,692.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,159.10 : 102,155.75 = 36,491.34 : x
  2. Step 2: Convert to fraction form
    68,159.10/102,155.75 = 36,491.34/x
  3. Step 3: Cross multiply
    68,159.10x = 102,155.75 × 36,491.34
  4. Step 4: Simplify right side
    68,159.10x = 3,727,799,695.43
  5. Step 5: Solve for x
    x = 3,727,799,695.43/68,159.10
  6. Step 6: Final answer
    x = 54,692.62

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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.