Home / 126,256.24-189,494.70-51,417.28

Finding the Fourth Proportional to 126,256.24, 189,494.70 and 51,417.28

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Solution

The fourth proportional to 126,256.24, 189,494.70 and 51,417.28 is: 77,170.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,256.24 : 189,494.70 = 51,417.28 : x
  2. Step 2: Convert to fraction form
    126,256.24/189,494.70 = 51,417.28/x
  3. Step 3: Cross multiply
    126,256.24x = 189,494.70 × 51,417.28
  4. Step 4: Simplify right side
    126,256.24x = 9,743,302,048.42
  5. Step 5: Solve for x
    x = 9,743,302,048.42/126,256.24
  6. Step 6: Final answer
    x = 77,170.86

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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.