Home / 136,928.34-188,950.32-76,494.24

Finding the Fourth Proportional to 136,928.34, 188,950.32 and 76,494.24

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Solution

The fourth proportional to 136,928.34, 188,950.32 and 76,494.24 is: 105,556.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,928.34 : 188,950.32 = 76,494.24 : x
  2. Step 2: Convert to fraction form
    136,928.34/188,950.32 = 76,494.24/x
  3. Step 3: Cross multiply
    136,928.34x = 188,950.32 × 76,494.24
  4. Step 4: Simplify right side
    136,928.34x = 14,453,611,126.16
  5. Step 5: Solve for x
    x = 14,453,611,126.16/136,928.34
  6. Step 6: Final answer
    x = 105,556.02

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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.