Home / 126,211.15-189,261.34-47,270

Finding the Fourth Proportional to 126,211.15, 189,261.34 and 47,270

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Solution

The fourth proportional to 126,211.15, 189,261.34 and 47,270 is: 70,884.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,211.15 : 189,261.34 = 47,270 : x
  2. Step 2: Convert to fraction form
    126,211.15/189,261.34 = 47,270/x
  3. Step 3: Cross multiply
    126,211.15x = 189,261.34 × 47,270
  4. Step 4: Simplify right side
    126,211.15x = 8,946,383,541.80
  5. Step 5: Solve for x
    x = 8,946,383,541.80/126,211.15
  6. Step 6: Final answer
    x = 70,884.26

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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.