Home / 103,313.06-154,951.44-28,415.15

Finding the Fourth Proportional to 103,313.06, 154,951.44 and 28,415.15

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Solution

The fourth proportional to 103,313.06, 154,951.44 and 28,415.15 is: 42,617.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,313.06 : 154,951.44 = 28,415.15 : x
  2. Step 2: Convert to fraction form
    103,313.06/154,951.44 = 28,415.15/x
  3. Step 3: Cross multiply
    103,313.06x = 154,951.44 × 28,415.15
  4. Step 4: Simplify right side
    103,313.06x = 4,402,967,635.56
  5. Step 5: Solve for x
    x = 4,402,967,635.56/103,313.06
  6. Step 6: Final answer
    x = 42,617.73

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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.