Home / 253,170.23-379,838.48-103,536.36

Finding the Fourth Proportional to 253,170.23, 379,838.48 and 103,536.36

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Solution

The fourth proportional to 253,170.23, 379,838.48 and 103,536.36 is: 155,338.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,170.23 : 379,838.48 = 103,536.36 : x
  2. Step 2: Convert to fraction form
    253,170.23/379,838.48 = 103,536.36/x
  3. Step 3: Cross multiply
    253,170.23x = 379,838.48 × 103,536.36
  4. Step 4: Simplify right side
    253,170.23x = 39,327,093,089.45
  5. Step 5: Solve for x
    x = 39,327,093,089.45/253,170.23
  6. Step 6: Final answer
    x = 155,338.54

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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.