Home / 126,353.92-189,467.50-42,084.46

Finding the Fourth Proportional to 126,353.92, 189,467.50 and 42,084.46

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Solution

The fourth proportional to 126,353.92, 189,467.50 and 42,084.46 is: 63,105.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,353.92 : 189,467.50 = 42,084.46 : x
  2. Step 2: Convert to fraction form
    126,353.92/189,467.50 = 42,084.46/x
  3. Step 3: Cross multiply
    126,353.92x = 189,467.50 × 42,084.46
  4. Step 4: Simplify right side
    126,353.92x = 7,973,637,425.05
  5. Step 5: Solve for x
    x = 7,973,637,425.05/126,353.92
  6. Step 6: Final answer
    x = 63,105.58

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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.