Home / 126,529.05-189,793.58-51,624.30

Finding the Fourth Proportional to 126,529.05, 189,793.58 and 51,624.30

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Solution

The fourth proportional to 126,529.05, 189,793.58 and 51,624.30 is: 77,436.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,529.05 : 189,793.58 = 51,624.30 : x
  2. Step 2: Convert to fraction form
    126,529.05/189,793.58 = 51,624.30/x
  3. Step 3: Cross multiply
    126,529.05x = 189,793.58 × 51,624.30
  4. Step 4: Simplify right side
    126,529.05x = 9,797,960,453.87
  5. Step 5: Solve for x
    x = 9,797,960,453.87/126,529.05
  6. Step 6: Final answer
    x = 77,436.45

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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.