Home / 100,768.95-151,148.44-37,584.15

Finding the Fourth Proportional to 100,768.95, 151,148.44 and 37,584.15

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Solution

The fourth proportional to 100,768.95, 151,148.44 and 37,584.15 is: 56,374.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,768.95 : 151,148.44 = 37,584.15 : x
  2. Step 2: Convert to fraction form
    100,768.95/151,148.44 = 37,584.15/x
  3. Step 3: Cross multiply
    100,768.95x = 151,148.44 × 37,584.15
  4. Step 4: Simplify right side
    100,768.95x = 5,680,785,867.10
  5. Step 5: Solve for x
    x = 5,680,785,867.10/100,768.95
  6. Step 6: Final answer
    x = 56,374.37

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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.