Home / 103,166.07-154,738.73-28,293.74

Finding the Fourth Proportional to 103,166.07, 154,738.73 and 28,293.74

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Solution

The fourth proportional to 103,166.07, 154,738.73 and 28,293.74 is: 42,437.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,166.07 : 154,738.73 = 28,293.74 : x
  2. Step 2: Convert to fraction form
    103,166.07/154,738.73 = 28,293.74/x
  3. Step 3: Cross multiply
    103,166.07x = 154,738.73 × 28,293.74
  4. Step 4: Simplify right side
    103,166.07x = 4,378,137,059.66
  5. Step 5: Solve for x
    x = 4,378,137,059.66/103,166.07
  6. Step 6: Final answer
    x = 42,437.76

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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.