Home / 259,824.96-389,668.59-102,054.78

Finding the Fourth Proportional to 259,824.96, 389,668.59 and 102,054.78

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Solution

The fourth proportional to 259,824.96, 389,668.59 and 102,054.78 is: 153,055.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,824.96 : 389,668.59 = 102,054.78 : x
  2. Step 2: Convert to fraction form
    259,824.96/389,668.59 = 102,054.78/x
  3. Step 3: Cross multiply
    259,824.96x = 389,668.59 × 102,054.78
  4. Step 4: Simplify right side
    259,824.96x = 39,767,542,225.36
  5. Step 5: Solve for x
    x = 39,767,542,225.36/259,824.96
  6. Step 6: Final answer
    x = 153,055.13

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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.