Home / 107,369.46-148,183.52-64,928.30

Finding the Fourth Proportional to 107,369.46, 148,183.52 and 64,928.30

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Solution

The fourth proportional to 107,369.46, 148,183.52 and 64,928.30 is: 89,609.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,369.46 : 148,183.52 = 64,928.30 : x
  2. Step 2: Convert to fraction form
    107,369.46/148,183.52 = 64,928.30/x
  3. Step 3: Cross multiply
    107,369.46x = 148,183.52 × 64,928.30
  4. Step 4: Simplify right side
    107,369.46x = 9,621,302,976.06
  5. Step 5: Solve for x
    x = 9,621,302,976.06/107,369.46
  6. Step 6: Final answer
    x = 89,609.31

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1.5x scale

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.