Home / 253,083.07-379,703.58-75,597.09

Finding the Fourth Proportional to 253,083.07, 379,703.58 and 75,597.09

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Solution

The fourth proportional to 253,083.07, 379,703.58 and 75,597.09 is: 113,419.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,083.07 : 379,703.58 = 75,597.09 : x
  2. Step 2: Convert to fraction form
    253,083.07/379,703.58 = 75,597.09/x
  3. Step 3: Cross multiply
    253,083.07x = 379,703.58 × 75,597.09
  4. Step 4: Simplify right side
    253,083.07x = 28,704,485,710.58
  5. Step 5: Solve for x
    x = 28,704,485,710.58/253,083.07
  6. Step 6: Final answer
    x = 113,419.23

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1.5x scale

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.