Home / 208,265.36-312,514.59-113,501.97

Finding the Fourth Proportional to 208,265.36, 312,514.59 and 113,501.97

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Solution

The fourth proportional to 208,265.36, 312,514.59 and 113,501.97 is: 170,316.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,265.36 : 312,514.59 = 113,501.97 : x
  2. Step 2: Convert to fraction form
    208,265.36/312,514.59 = 113,501.97/x
  3. Step 3: Cross multiply
    208,265.36x = 312,514.59 × 113,501.97
  4. Step 4: Simplify right side
    208,265.36x = 35,471,021,618.74
  5. Step 5: Solve for x
    x = 35,471,021,618.74/208,265.36
  6. Step 6: Final answer
    x = 170,316.48

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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.