Home / 141,984.63-212,914.80-53,175.87

Finding the Fourth Proportional to 141,984.63, 212,914.80 and 53,175.87

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Solution

The fourth proportional to 141,984.63, 212,914.80 and 53,175.87 is: 79,740.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,984.63 : 212,914.80 = 53,175.87 : x
  2. Step 2: Convert to fraction form
    141,984.63/212,914.80 = 53,175.87/x
  3. Step 3: Cross multiply
    141,984.63x = 212,914.80 × 53,175.87
  4. Step 4: Simplify right side
    141,984.63x = 11,321,929,725.88
  5. Step 5: Solve for x
    x = 11,321,929,725.88/141,984.63
  6. Step 6: Final answer
    x = 79,740.53

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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.