Home / 165,723.20-248,584.80-102,737.60

Finding the Fourth Proportional to 165,723.20, 248,584.80 and 102,737.60

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Solution

The fourth proportional to 165,723.20, 248,584.80 and 102,737.60 is: 154,106.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,723.20 : 248,584.80 = 102,737.60 : x
  2. Step 2: Convert to fraction form
    165,723.20/248,584.80 = 102,737.60/x
  3. Step 3: Cross multiply
    165,723.20x = 248,584.80 × 102,737.60
  4. Step 4: Simplify right side
    165,723.20x = 25,539,005,748.48
  5. Step 5: Solve for x
    x = 25,539,005,748.48/165,723.20
  6. Step 6: Final answer
    x = 154,106.40

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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.