Home / 130,069.12-179,429.44-82,241.92

Finding the Fourth Proportional to 130,069.12, 179,429.44 and 82,241.92

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Solution

The fourth proportional to 130,069.12, 179,429.44 and 82,241.92 is: 113,452.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,069.12 : 179,429.44 = 82,241.92 : x
  2. Step 2: Convert to fraction form
    130,069.12/179,429.44 = 82,241.92/x
  3. Step 3: Cross multiply
    130,069.12x = 179,429.44 × 82,241.92
  4. Step 4: Simplify right side
    130,069.12x = 14,756,621,650.12
  5. Step 5: Solve for x
    x = 14,756,621,650.12/130,069.12
  6. Step 6: Final answer
    x = 113,452.15

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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.