Home / 131,242.60-196,734.30-64,628.20

Finding the Fourth Proportional to 131,242.60, 196,734.30 and 64,628.20

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Solution

The fourth proportional to 131,242.60, 196,734.30 and 64,628.20 is: 96,878.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,242.60 : 196,734.30 = 64,628.20 : x
  2. Step 2: Convert to fraction form
    131,242.60/196,734.30 = 64,628.20/x
  3. Step 3: Cross multiply
    131,242.60x = 196,734.30 × 64,628.20
  4. Step 4: Simplify right side
    131,242.60x = 12,714,583,687.26
  5. Step 5: Solve for x
    x = 12,714,583,687.26/131,242.60
  6. Step 6: Final answer
    x = 96,878.48

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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.