Home / 208,738.14-288,085.76-116,892.39

Finding the Fourth Proportional to 208,738.14, 288,085.76 and 116,892.39

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Solution

The fourth proportional to 208,738.14, 288,085.76 and 116,892.39 is: 161,326.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,738.14 : 288,085.76 = 116,892.39 : x
  2. Step 2: Convert to fraction form
    208,738.14/288,085.76 = 116,892.39/x
  3. Step 3: Cross multiply
    208,738.14x = 288,085.76 × 116,892.39
  4. Step 4: Simplify right side
    208,738.14x = 33,675,032,806.57
  5. Step 5: Solve for x
    x = 33,675,032,806.57/208,738.14
  6. Step 6: Final answer
    x = 161,326.69

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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.