Home / 112,146.99-154,786.87-64,426.65

Finding the Fourth Proportional to 112,146.99, 154,786.87 and 64,426.65

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Solution

The fourth proportional to 112,146.99, 154,786.87 and 64,426.65 is: 88,922.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,146.99 : 154,786.87 = 64,426.65 : x
  2. Step 2: Convert to fraction form
    112,146.99/154,786.87 = 64,426.65/x
  3. Step 3: Cross multiply
    112,146.99x = 154,786.87 × 64,426.65
  4. Step 4: Simplify right side
    112,146.99x = 9,972,399,562.92
  5. Step 5: Solve for x
    x = 9,972,399,562.92/112,146.99
  6. Step 6: Final answer
    x = 88,922.58

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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.