Home / 154,063.20-231,159.60-83,992.80

Finding the Fourth Proportional to 154,063.20, 231,159.60 and 83,992.80

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Solution

The fourth proportional to 154,063.20, 231,159.60 and 83,992.80 is: 126,024.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,063.20 : 231,159.60 = 83,992.80 : x
  2. Step 2: Convert to fraction form
    154,063.20/231,159.60 = 83,992.80/x
  3. Step 3: Cross multiply
    154,063.20x = 231,159.60 × 83,992.80
  4. Step 4: Simplify right side
    154,063.20x = 19,415,742,050.88
  5. Step 5: Solve for x
    x = 19,415,742,050.88/154,063.20
  6. Step 6: Final answer
    x = 126,024.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.