Home / 136,527.56-188,401.83-76,104.80

Finding the Fourth Proportional to 136,527.56, 188,401.83 and 76,104.80

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Solution

The fourth proportional to 136,527.56, 188,401.83 and 76,104.80 is: 105,021.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,527.56 : 188,401.83 = 76,104.80 : x
  2. Step 2: Convert to fraction form
    136,527.56/188,401.83 = 76,104.80/x
  3. Step 3: Cross multiply
    136,527.56x = 188,401.83 × 76,104.80
  4. Step 4: Simplify right side
    136,527.56x = 14,338,283,591.78
  5. Step 5: Solve for x
    x = 14,338,283,591.78/136,527.56
  6. Step 6: Final answer
    x = 105,021.17

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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.