Home / 126,392.98-189,536.86-51,462.31

Finding the Fourth Proportional to 126,392.98, 189,536.86 and 51,462.31

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Solution

The fourth proportional to 126,392.98, 189,536.86 and 51,462.31 is: 77,172.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,392.98 : 189,536.86 = 51,462.31 : x
  2. Step 2: Convert to fraction form
    126,392.98/189,536.86 = 51,462.31/x
  3. Step 3: Cross multiply
    126,392.98x = 189,536.86 × 51,462.31
  4. Step 4: Simplify right side
    126,392.98x = 9,754,004,645.75
  5. Step 5: Solve for x
    x = 9,754,004,645.75/126,392.98
  6. Step 6: Final answer
    x = 77,172.04

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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.