Home / 208,204.14-287,319.33-112,708.74

Finding the Fourth Proportional to 208,204.14, 287,319.33 and 112,708.74

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Solution

The fourth proportional to 208,204.14, 287,319.33 and 112,708.74 is: 155,536.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,204.14 : 287,319.33 = 112,708.74 : x
  2. Step 2: Convert to fraction form
    208,204.14/287,319.33 = 112,708.74/x
  3. Step 3: Cross multiply
    208,204.14x = 287,319.33 × 112,708.74
  4. Step 4: Simplify right side
    208,204.14x = 32,383,399,661.94
  5. Step 5: Solve for x
    x = 32,383,399,661.94/208,204.14
  6. Step 6: Final answer
    x = 155,536.77

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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.