Home / 130,999.20-196,450.20-52,097.10

Finding the Fourth Proportional to 130,999.20, 196,450.20 and 52,097.10

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Solution

The fourth proportional to 130,999.20, 196,450.20 and 52,097.10 is: 78,126.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,999.20 : 196,450.20 = 52,097.10 : x
  2. Step 2: Convert to fraction form
    130,999.20/196,450.20 = 52,097.10/x
  3. Step 3: Cross multiply
    130,999.20x = 196,450.20 × 52,097.10
  4. Step 4: Simplify right side
    130,999.20x = 10,234,485,714.42
  5. Step 5: Solve for x
    x = 10,234,485,714.42/130,999.20
  6. Step 6: Final answer
    x = 78,126.32

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1.5x scale

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.