Home / 130,893.40-196,631.70-125,579.80

Finding the Fourth Proportional to 130,893.40, 196,631.70 and 125,579.80

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Solution

The fourth proportional to 130,893.40, 196,631.70 and 125,579.80 is: 188,649.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,893.40 : 196,631.70 = 125,579.80 : x
  2. Step 2: Convert to fraction form
    130,893.40/196,631.70 = 125,579.80/x
  3. Step 3: Cross multiply
    130,893.40x = 196,631.70 × 125,579.80
  4. Step 4: Simplify right side
    130,893.40x = 24,692,969,559.66
  5. Step 5: Solve for x
    x = 24,692,969,559.66/130,893.40
  6. Step 6: Final answer
    x = 188,649.46

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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.