Home / 126,114.34-189,171.42-47,265.70

Finding the Fourth Proportional to 126,114.34, 189,171.42 and 47,265.70

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Solution

The fourth proportional to 126,114.34, 189,171.42 and 47,265.70 is: 70,898.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,114.34 : 189,171.42 = 47,265.70 : x
  2. Step 2: Convert to fraction form
    126,114.34/189,171.42 = 47,265.70/x
  3. Step 3: Cross multiply
    126,114.34x = 189,171.42 × 47,265.70
  4. Step 4: Simplify right side
    126,114.34x = 8,941,319,586.29
  5. Step 5: Solve for x
    x = 8,941,319,586.29/126,114.34
  6. Step 6: Final answer
    x = 70,898.52

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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.