Home / 126,293.70-189,476.08-55,222.58

Finding the Fourth Proportional to 126,293.70, 189,476.08 and 55,222.58

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Solution

The fourth proportional to 126,293.70, 189,476.08 and 55,222.58 is: 82,849.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,293.70 : 189,476.08 = 55,222.58 : x
  2. Step 2: Convert to fraction form
    126,293.70/189,476.08 = 55,222.58/x
  3. Step 3: Cross multiply
    126,293.70x = 189,476.08 × 55,222.58
  4. Step 4: Simplify right side
    126,293.70x = 10,463,357,985.89
  5. Step 5: Solve for x
    x = 10,463,357,985.89/126,293.70
  6. Step 6: Final answer
    x = 82,849.41

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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.