Home / 126,162.09-189,074.99-59,619.87

Finding the Fourth Proportional to 126,162.09, 189,074.99 and 59,619.87

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Solution

The fourth proportional to 126,162.09, 189,074.99 and 59,619.87 is: 89,350.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,162.09 : 189,074.99 = 59,619.87 : x
  2. Step 2: Convert to fraction form
    126,162.09/189,074.99 = 59,619.87/x
  3. Step 3: Cross multiply
    126,162.09x = 189,074.99 × 59,619.87
  4. Step 4: Simplify right side
    126,162.09x = 11,272,626,025.95
  5. Step 5: Solve for x
    x = 11,272,626,025.95/126,162.09
  6. Step 6: Final answer
    x = 89,350.34

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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.