Home / 259,903.04-389,868.48-82,423.52

Finding the Fourth Proportional to 259,903.04, 389,868.48 and 82,423.52

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Solution

The fourth proportional to 259,903.04, 389,868.48 and 82,423.52 is: 123,639.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,903.04 : 389,868.48 = 82,423.52 : x
  2. Step 2: Convert to fraction form
    259,903.04/389,868.48 = 82,423.52/x
  3. Step 3: Cross multiply
    259,903.04x = 389,868.48 × 82,423.52
  4. Step 4: Simplify right side
    259,903.04x = 32,134,332,458.65
  5. Step 5: Solve for x
    x = 32,134,332,458.65/259,903.04
  6. Step 6: Final answer
    x = 123,639.69

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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.