Home / 96,150.14-144,069.68-78,628.22

Finding the Fourth Proportional to 96,150.14, 144,069.68 and 78,628.22

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Solution

The fourth proportional to 96,150.14, 144,069.68 and 78,628.22 is: 117,815.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,150.14 : 144,069.68 = 78,628.22 : x
  2. Step 2: Convert to fraction form
    96,150.14/144,069.68 = 78,628.22/x
  3. Step 3: Cross multiply
    96,150.14x = 144,069.68 × 78,628.22
  4. Step 4: Simplify right side
    96,150.14x = 11,327,942,494.37
  5. Step 5: Solve for x
    x = 11,327,942,494.37/96,150.14
  6. Step 6: Final answer
    x = 117,815.14

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1.5x scale

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.