Home / 202,014.96-278,782.61-111,374.55

Finding the Fourth Proportional to 202,014.96, 278,782.61 and 111,374.55

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Solution

The fourth proportional to 202,014.96, 278,782.61 and 111,374.55 is: 153,697.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,014.96 : 278,782.61 = 111,374.55 : x
  2. Step 2: Convert to fraction form
    202,014.96/278,782.61 = 111,374.55/x
  3. Step 3: Cross multiply
    202,014.96x = 278,782.61 × 111,374.55
  4. Step 4: Simplify right side
    202,014.96x = 31,049,287,179.70
  5. Step 5: Solve for x
    x = 31,049,287,179.70/202,014.96
  6. Step 6: Final answer
    x = 153,697.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.