Home / 259,894.27-358,666.03-143,624.09

Finding the Fourth Proportional to 259,894.27, 358,666.03 and 143,624.09

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Solution

The fourth proportional to 259,894.27, 358,666.03 and 143,624.09 is: 198,207.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,894.27 : 358,666.03 = 143,624.09 : x
  2. Step 2: Convert to fraction form
    259,894.27/358,666.03 = 143,624.09/x
  3. Step 3: Cross multiply
    259,894.27x = 358,666.03 × 143,624.09
  4. Step 4: Simplify right side
    259,894.27x = 51,513,080,423.48
  5. Step 5: Solve for x
    x = 51,513,080,423.48/259,894.27
  6. Step 6: Final answer
    x = 198,207.83

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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.