Home / 126,258.84-189,339.04-47,330

Finding the Fourth Proportional to 126,258.84, 189,339.04 and 47,330

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Solution

The fourth proportional to 126,258.84, 189,339.04 and 47,330 is: 70,976.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,258.84 : 189,339.04 = 47,330 : x
  2. Step 2: Convert to fraction form
    126,258.84/189,339.04 = 47,330/x
  3. Step 3: Cross multiply
    126,258.84x = 189,339.04 × 47,330
  4. Step 4: Simplify right side
    126,258.84x = 8,961,416,763.20
  5. Step 5: Solve for x
    x = 8,961,416,763.20/126,258.84
  6. Step 6: Final answer
    x = 70,976.55

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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.