Home / 136,494.28-188,337.18-76,063.42

Finding the Fourth Proportional to 136,494.28, 188,337.18 and 76,063.42

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Solution

The fourth proportional to 136,494.28, 188,337.18 and 76,063.42 is: 104,953.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,494.28 : 188,337.18 = 76,063.42 : x
  2. Step 2: Convert to fraction form
    136,494.28/188,337.18 = 76,063.42/x
  3. Step 3: Cross multiply
    136,494.28x = 188,337.18 × 76,063.42
  4. Step 4: Simplify right side
    136,494.28x = 14,325,570,023.96
  5. Step 5: Solve for x
    x = 14,325,570,023.96/136,494.28
  6. Step 6: Final answer
    x = 104,953.63

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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.