Home / 146,014.20-218,675.70-99,012.60

Finding the Fourth Proportional to 146,014.20, 218,675.70 and 99,012.60

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Solution

The fourth proportional to 146,014.20, 218,675.70 and 99,012.60 is: 148,284.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,014.20 : 218,675.70 = 99,012.60 : x
  2. Step 2: Convert to fraction form
    146,014.20/218,675.70 = 99,012.60/x
  3. Step 3: Cross multiply
    146,014.20x = 218,675.70 × 99,012.60
  4. Step 4: Simplify right side
    146,014.20x = 21,651,649,613.82
  5. Step 5: Solve for x
    x = 21,651,649,613.82/146,014.20
  6. Step 6: Final answer
    x = 148,284.55

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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.