Home / 68,354.50-102,535.59-19,110.34

Finding the Fourth Proportional to 68,354.50, 102,535.59 and 19,110.34

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Solution

The fourth proportional to 68,354.50, 102,535.59 and 19,110.34 is: 28,666.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,354.50 : 102,535.59 = 19,110.34 : x
  2. Step 2: Convert to fraction form
    68,354.50/102,535.59 = 19,110.34/x
  3. Step 3: Cross multiply
    68,354.50x = 102,535.59 × 19,110.34
  4. Step 4: Simplify right side
    68,354.50x = 1,959,489,987.00
  5. Step 5: Solve for x
    x = 1,959,489,987.00/68,354.50
  6. Step 6: Final answer
    x = 28,666.58

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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.