Home / 130,609.62-180,243.32-73,261.68

Finding the Fourth Proportional to 130,609.62, 180,243.32 and 73,261.68

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Solution

The fourth proportional to 130,609.62, 180,243.32 and 73,261.68 is: 101,102.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,609.62 : 180,243.32 = 73,261.68 : x
  2. Step 2: Convert to fraction form
    130,609.62/180,243.32 = 73,261.68/x
  3. Step 3: Cross multiply
    130,609.62x = 180,243.32 × 73,261.68
  4. Step 4: Simplify right side
    130,609.62x = 13,204,928,431.98
  5. Step 5: Solve for x
    x = 13,204,928,431.98/130,609.62
  6. Step 6: Final answer
    x = 101,102.27

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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.