Home / 68,088.22-102,135.57-21,341.50

Finding the Fourth Proportional to 68,088.22, 102,135.57 and 21,341.50

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Solution

The fourth proportional to 68,088.22, 102,135.57 and 21,341.50 is: 32,013.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,088.22 : 102,135.57 = 21,341.50 : x
  2. Step 2: Convert to fraction form
    68,088.22/102,135.57 = 21,341.50/x
  3. Step 3: Cross multiply
    68,088.22x = 102,135.57 × 21,341.50
  4. Step 4: Simplify right side
    68,088.22x = 2,179,726,267.16
  5. Step 5: Solve for x
    x = 2,179,726,267.16/68,088.22
  6. Step 6: Final answer
    x = 32,013.27

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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.