Home / 103,234.20-154,746.70-69,957.60

Finding the Fourth Proportional to 103,234.20, 154,746.70 and 69,957.60

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Solution

The fourth proportional to 103,234.20, 154,746.70 and 69,957.60 is: 104,865.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,234.20 : 154,746.70 = 69,957.60 : x
  2. Step 2: Convert to fraction form
    103,234.20/154,746.70 = 69,957.60/x
  3. Step 3: Cross multiply
    103,234.20x = 154,746.70 × 69,957.60
  4. Step 4: Simplify right side
    103,234.20x = 10,825,707,739.92
  5. Step 5: Solve for x
    x = 10,825,707,739.92/103,234.20
  6. Step 6: Final answer
    x = 104,865.52

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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.