Home / 126,539.36-189,817.68-37,791.20

Finding the Fourth Proportional to 126,539.36, 189,817.68 and 37,791.20

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Solution

The fourth proportional to 126,539.36, 189,817.68 and 37,791.20 is: 56,689.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,539.36 : 189,817.68 = 37,791.20 : x
  2. Step 2: Convert to fraction form
    126,539.36/189,817.68 = 37,791.20/x
  3. Step 3: Cross multiply
    126,539.36x = 189,817.68 × 37,791.20
  4. Step 4: Simplify right side
    126,539.36x = 7,173,437,908.42
  5. Step 5: Solve for x
    x = 7,173,437,908.42/126,539.36
  6. Step 6: Final answer
    x = 56,689.38

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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.