Home / 68,167.36-102,267.29-21,420.24

Finding the Fourth Proportional to 68,167.36, 102,267.29 and 21,420.24

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Solution

The fourth proportional to 68,167.36, 102,267.29 and 21,420.24 is: 32,135.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,167.36 : 102,267.29 = 21,420.24 : x
  2. Step 2: Convert to fraction form
    68,167.36/102,267.29 = 21,420.24/x
  3. Step 3: Cross multiply
    68,167.36x = 102,267.29 × 21,420.24
  4. Step 4: Simplify right side
    68,167.36x = 2,190,589,895.95
  5. Step 5: Solve for x
    x = 2,190,589,895.95/68,167.36
  6. Step 6: Final answer
    x = 32,135.47

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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.