Home / 208,160.42-287,266.59-127,632.33

Finding the Fourth Proportional to 208,160.42, 287,266.59 and 127,632.33

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Solution

The fourth proportional to 208,160.42, 287,266.59 and 127,632.33 is: 176,135.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,160.42 : 287,266.59 = 127,632.33 : x
  2. Step 2: Convert to fraction form
    208,160.42/287,266.59 = 127,632.33/x
  3. Step 3: Cross multiply
    208,160.42x = 287,266.59 × 127,632.33
  4. Step 4: Simplify right side
    208,160.42x = 36,664,504,212.85
  5. Step 5: Solve for x
    x = 36,664,504,212.85/208,160.42
  6. Step 6: Final answer
    x = 176,135.81

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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.