Home / 131,976.40-197,964.60-130,008.10

Finding the Fourth Proportional to 131,976.40, 197,964.60 and 130,008.10

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Solution

The fourth proportional to 131,976.40, 197,964.60 and 130,008.10 is: 195,012.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,976.40 : 197,964.60 = 130,008.10 : x
  2. Step 2: Convert to fraction form
    131,976.40/197,964.60 = 130,008.10/x
  3. Step 3: Cross multiply
    131,976.40x = 197,964.60 × 130,008.10
  4. Step 4: Simplify right side
    131,976.40x = 25,737,001,513.26
  5. Step 5: Solve for x
    x = 25,737,001,513.26/131,976.40
  6. Step 6: Final answer
    x = 195,012.15

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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.