Home / 126,238.32-189,356.92-51,357.85

Finding the Fourth Proportional to 126,238.32, 189,356.92 and 51,357.85

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Solution

The fourth proportional to 126,238.32, 189,356.92 and 51,357.85 is: 77,036.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,238.32 : 189,356.92 = 51,357.85 : x
  2. Step 2: Convert to fraction form
    126,238.32/189,356.92 = 51,357.85/x
  3. Step 3: Cross multiply
    126,238.32x = 189,356.92 × 51,357.85
  4. Step 4: Simplify right side
    126,238.32x = 9,724,963,692.04
  5. Step 5: Solve for x
    x = 9,724,963,692.04/126,238.32
  6. Step 6: Final answer
    x = 77,036.54

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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.