Home / 136,527.55-188,408.88-76,102.02

Finding the Fourth Proportional to 136,527.55, 188,408.88 and 76,102.02

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Solution

The fourth proportional to 136,527.55, 188,408.88 and 76,102.02 is: 105,021.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,527.55 : 188,408.88 = 76,102.02 : x
  2. Step 2: Convert to fraction form
    136,527.55/188,408.88 = 76,102.02/x
  3. Step 3: Cross multiply
    136,527.55x = 188,408.88 × 76,102.02
  4. Step 4: Simplify right side
    136,527.55x = 14,338,296,353.94
  5. Step 5: Solve for x
    x = 14,338,296,353.94/136,527.55
  6. Step 6: Final answer
    x = 105,021.27

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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.