Home / 100,830.20-151,245.30-41,708.30

Finding the Fourth Proportional to 100,830.20, 151,245.30 and 41,708.30

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Solution

The fourth proportional to 100,830.20, 151,245.30 and 41,708.30 is: 62,562.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,830.20 : 151,245.30 = 41,708.30 : x
  2. Step 2: Convert to fraction form
    100,830.20/151,245.30 = 41,708.30/x
  3. Step 3: Cross multiply
    100,830.20x = 151,245.30 × 41,708.30
  4. Step 4: Simplify right side
    100,830.20x = 6,308,184,345.99
  5. Step 5: Solve for x
    x = 6,308,184,345.99/100,830.20
  6. Step 6: Final answer
    x = 62,562.45

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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.