Home / 68,190.36-102,328.12-26,073.98

Finding the Fourth Proportional to 68,190.36, 102,328.12 and 26,073.98

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Solution

The fourth proportional to 68,190.36, 102,328.12 and 26,073.98 is: 39,127.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,190.36 : 102,328.12 = 26,073.98 : x
  2. Step 2: Convert to fraction form
    68,190.36/102,328.12 = 26,073.98/x
  3. Step 3: Cross multiply
    68,190.36x = 102,328.12 × 26,073.98
  4. Step 4: Simplify right side
    68,190.36x = 2,668,101,354.32
  5. Step 5: Solve for x
    x = 2,668,101,354.32/68,190.36
  6. Step 6: Final answer
    x = 39,127.25

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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.