Home / 126,313.90-189,429.84-42,051.44

Finding the Fourth Proportional to 126,313.90, 189,429.84 and 42,051.44

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Solution

The fourth proportional to 126,313.90, 189,429.84 and 42,051.44 is: 63,063.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,313.90 : 189,429.84 = 42,051.44 : x
  2. Step 2: Convert to fraction form
    126,313.90/189,429.84 = 42,051.44/x
  3. Step 3: Cross multiply
    126,313.90x = 189,429.84 × 42,051.44
  4. Step 4: Simplify right side
    126,313.90x = 7,965,797,550.97
  5. Step 5: Solve for x
    x = 7,965,797,550.97/126,313.90
  6. Step 6: Final answer
    x = 63,063.51

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1.5x scale

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.