Home / 126,004.40-189,006.60-47,102.30

Finding the Fourth Proportional to 126,004.40, 189,006.60 and 47,102.30

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Solution

The fourth proportional to 126,004.40, 189,006.60 and 47,102.30 is: 70,653.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,004.40 : 189,006.60 = 47,102.30 : x
  2. Step 2: Convert to fraction form
    126,004.40/189,006.60 = 47,102.30/x
  3. Step 3: Cross multiply
    126,004.40x = 189,006.60 × 47,102.30
  4. Step 4: Simplify right side
    126,004.40x = 8,902,645,575.18
  5. Step 5: Solve for x
    x = 8,902,645,575.18/126,004.40
  6. Step 6: Final answer
    x = 70,653.45

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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.