Home / 255,926.48-353,205.96-142,788.56

Finding the Fourth Proportional to 255,926.48, 353,205.96 and 142,788.56

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Solution

The fourth proportional to 255,926.48, 353,205.96 and 142,788.56 is: 197,063.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,926.48 : 353,205.96 = 142,788.56 : x
  2. Step 2: Convert to fraction form
    255,926.48/353,205.96 = 142,788.56/x
  3. Step 3: Cross multiply
    255,926.48x = 353,205.96 × 142,788.56
  4. Step 4: Simplify right side
    255,926.48x = 50,433,770,411.82
  5. Step 5: Solve for x
    x = 50,433,770,411.82/255,926.48
  6. Step 6: Final answer
    x = 197,063.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.