Home / 130,989.90-196,776.45-125,676.30

Finding the Fourth Proportional to 130,989.90, 196,776.45 and 125,676.30

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Solution

The fourth proportional to 130,989.90, 196,776.45 and 125,676.30 is: 188,794.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,989.90 : 196,776.45 = 125,676.30 : x
  2. Step 2: Convert to fraction form
    130,989.90/196,776.45 = 125,676.30/x
  3. Step 3: Cross multiply
    130,989.90x = 196,776.45 × 125,676.30
  4. Step 4: Simplify right side
    130,989.90x = 24,730,136,163.14
  5. Step 5: Solve for x
    x = 24,730,136,163.14/130,989.90
  6. Step 6: Final answer
    x = 188,794.22

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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.