Home / 126,256.14-189,378.06-47,364.22

Finding the Fourth Proportional to 126,256.14, 189,378.06 and 47,364.22

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Solution

The fourth proportional to 126,256.14, 189,378.06 and 47,364.22 is: 71,044.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,256.14 : 189,378.06 = 47,364.22 : x
  2. Step 2: Convert to fraction form
    126,256.14/189,378.06 = 47,364.22/x
  3. Step 3: Cross multiply
    126,256.14x = 189,378.06 × 47,364.22
  4. Step 4: Simplify right side
    126,256.14x = 8,969,744,097.01
  5. Step 5: Solve for x
    x = 8,969,744,097.01/126,256.14
  6. Step 6: Final answer
    x = 71,044.02

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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.