Home / 143,232.63-197,661.16-79,576.35

Finding the Fourth Proportional to 143,232.63, 197,661.16 and 79,576.35

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Solution

The fourth proportional to 143,232.63, 197,661.16 and 79,576.35 is: 109,815.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,232.63 : 197,661.16 = 79,576.35 : x
  2. Step 2: Convert to fraction form
    143,232.63/197,661.16 = 79,576.35/x
  3. Step 3: Cross multiply
    143,232.63x = 197,661.16 × 79,576.35
  4. Step 4: Simplify right side
    143,232.63x = 15,729,153,649.57
  5. Step 5: Solve for x
    x = 15,729,153,649.57/143,232.63
  6. Step 6: Final answer
    x = 109,815.44

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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.