Home / 143,192.56-198,033.89-125,256.41

Finding the Fourth Proportional to 143,192.56, 198,033.89 and 125,256.41

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Solution

The fourth proportional to 143,192.56, 198,033.89 and 125,256.41 is: 173,228.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,192.56 : 198,033.89 = 125,256.41 : x
  2. Step 2: Convert to fraction form
    143,192.56/198,033.89 = 125,256.41/x
  3. Step 3: Cross multiply
    143,192.56x = 198,033.89 × 125,256.41
  4. Step 4: Simplify right side
    143,192.56x = 24,805,013,988.54
  5. Step 5: Solve for x
    x = 24,805,013,988.54/143,192.56
  6. Step 6: Final answer
    x = 173,228.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.