Home / 68,135.90-102,210.65-26,051.39

Finding the Fourth Proportional to 68,135.90, 102,210.65 and 26,051.39

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Solution

The fourth proportional to 68,135.90, 102,210.65 and 26,051.39 is: 39,079.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,135.90 : 102,210.65 = 26,051.39 : x
  2. Step 2: Convert to fraction form
    68,135.90/102,210.65 = 26,051.39/x
  3. Step 3: Cross multiply
    68,135.90x = 102,210.65 × 26,051.39
  4. Step 4: Simplify right side
    68,135.90x = 2,662,728,863.99
  5. Step 5: Solve for x
    x = 2,662,728,863.99/68,135.90
  6. Step 6: Final answer
    x = 39,079.68

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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.