Home / 130,825.20-196,237.80-126,937.20

Finding the Fourth Proportional to 130,825.20, 196,237.80 and 126,937.20

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Solution

The fourth proportional to 130,825.20, 196,237.80 and 126,937.20 is: 190,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,825.20 : 196,237.80 = 126,937.20 : x
  2. Step 2: Convert to fraction form
    130,825.20/196,237.80 = 126,937.20/x
  3. Step 3: Cross multiply
    130,825.20x = 196,237.80 × 126,937.20
  4. Step 4: Simplify right side
    130,825.20x = 24,909,876,866.16
  5. Step 5: Solve for x
    x = 24,909,876,866.16/130,825.20
  6. Step 6: Final answer
    x = 190,405.80

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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.