Home / 259,727.07-389,830.08-131,733.19

Finding the Fourth Proportional to 259,727.07, 389,830.08 and 131,733.19

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Solution

The fourth proportional to 259,727.07, 389,830.08 and 131,733.19 is: 197,721.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,727.07 : 389,830.08 = 131,733.19 : x
  2. Step 2: Convert to fraction form
    259,727.07/389,830.08 = 131,733.19/x
  3. Step 3: Cross multiply
    259,727.07x = 389,830.08 × 131,733.19
  4. Step 4: Simplify right side
    259,727.07x = 51,353,558,047.20
  5. Step 5: Solve for x
    x = 51,353,558,047.20/259,727.07
  6. Step 6: Final answer
    x = 197,721.24

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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.