Home / 136,684.62-188,625.06-76,253.76

Finding the Fourth Proportional to 136,684.62, 188,625.06 and 76,253.76

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Solution

The fourth proportional to 136,684.62, 188,625.06 and 76,253.76 is: 105,230.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,684.62 : 188,625.06 = 76,253.76 : x
  2. Step 2: Convert to fraction form
    136,684.62/188,625.06 = 76,253.76/x
  3. Step 3: Cross multiply
    136,684.62x = 188,625.06 × 76,253.76
  4. Step 4: Simplify right side
    136,684.62x = 14,383,370,055.23
  5. Step 5: Solve for x
    x = 14,383,370,055.23/136,684.62
  6. Step 6: Final answer
    x = 105,230.35

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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.