Home / 235,447.09-353,162.69-102,327.36

Finding the Fourth Proportional to 235,447.09, 353,162.69 and 102,327.36

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Solution

The fourth proportional to 235,447.09, 353,162.69 and 102,327.36 is: 153,487.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,447.09 : 353,162.69 = 102,327.36 : x
  2. Step 2: Convert to fraction form
    235,447.09/353,162.69 = 102,327.36/x
  3. Step 3: Cross multiply
    235,447.09x = 353,162.69 × 102,327.36
  4. Step 4: Simplify right side
    235,447.09x = 36,138,205,718.20
  5. Step 5: Solve for x
    x = 36,138,205,718.20/235,447.09
  6. Step 6: Final answer
    x = 153,487.59

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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.