Home / 137,604.92-189,896.36-76,352.22

Finding the Fourth Proportional to 137,604.92, 189,896.36 and 76,352.22

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Solution

The fourth proportional to 137,604.92, 189,896.36 and 76,352.22 is: 105,366.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,604.92 : 189,896.36 = 76,352.22 : x
  2. Step 2: Convert to fraction form
    137,604.92/189,896.36 = 76,352.22/x
  3. Step 3: Cross multiply
    137,604.92x = 189,896.36 × 76,352.22
  4. Step 4: Simplify right side
    137,604.92x = 14,499,008,655.92
  5. Step 5: Solve for x
    x = 14,499,008,655.92/137,604.92
  6. Step 6: Final answer
    x = 105,366.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.