Home / 126,327.72-189,501.66-73,742.52

Finding the Fourth Proportional to 126,327.72, 189,501.66 and 73,742.52

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Solution

The fourth proportional to 126,327.72, 189,501.66 and 73,742.52 is: 110,619.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,327.72 : 189,501.66 = 73,742.52 : x
  2. Step 2: Convert to fraction form
    126,327.72/189,501.66 = 73,742.52/x
  3. Step 3: Cross multiply
    126,327.72x = 189,501.66 × 73,742.52
  4. Step 4: Simplify right side
    126,327.72x = 13,974,329,952.58
  5. Step 5: Solve for x
    x = 13,974,329,952.58/126,327.72
  6. Step 6: Final answer
    x = 110,619.66

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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.