Home / 126,582-189,914.60-51,765.09

Finding the Fourth Proportional to 126,582, 189,914.60 and 51,765.09

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Solution

The fourth proportional to 126,582, 189,914.60 and 51,765.09 is: 77,664.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,582 : 189,914.60 = 51,765.09 : x
  2. Step 2: Convert to fraction form
    126,582/189,914.60 = 51,765.09/x
  3. Step 3: Cross multiply
    126,582x = 189,914.60 × 51,765.09
  4. Step 4: Simplify right side
    126,582x = 9,830,946,361.31
  5. Step 5: Solve for x
    x = 9,830,946,361.31/126,582
  6. Step 6: Final answer
    x = 77,664.65

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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.