Home / 100,830.60-151,260.30-34,273.80

Finding the Fourth Proportional to 100,830.60, 151,260.30 and 34,273.80

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Solution

The fourth proportional to 100,830.60, 151,260.30 and 34,273.80 is: 51,415.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,830.60 : 151,260.30 = 34,273.80 : x
  2. Step 2: Convert to fraction form
    100,830.60/151,260.30 = 34,273.80/x
  3. Step 3: Cross multiply
    100,830.60x = 151,260.30 × 34,273.80
  4. Step 4: Simplify right side
    100,830.60x = 5,184,265,270.14
  5. Step 5: Solve for x
    x = 5,184,265,270.14/100,830.60
  6. Step 6: Final answer
    x = 51,415.59

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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.