Home / 54,089.29-81,134-14,108.25

Finding the Fourth Proportional to 54,089.29, 81,134 and 14,108.25

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Solution

The fourth proportional to 54,089.29, 81,134 and 14,108.25 is: 21,162.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,089.29 : 81,134 = 14,108.25 : x
  2. Step 2: Convert to fraction form
    54,089.29/81,134 = 14,108.25/x
  3. Step 3: Cross multiply
    54,089.29x = 81,134 × 14,108.25
  4. Step 4: Simplify right side
    54,089.29x = 1,144,658,755.50
  5. Step 5: Solve for x
    x = 1,144,658,755.50/54,089.29
  6. Step 6: Final answer
    x = 21,162.39

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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.