Home / 130,982.40-196,504.32-52,101.12

Finding the Fourth Proportional to 130,982.40, 196,504.32 and 52,101.12

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Solution

The fourth proportional to 130,982.40, 196,504.32 and 52,101.12 is: 78,163.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,982.40 : 196,504.32 = 52,101.12 : x
  2. Step 2: Convert to fraction form
    130,982.40/196,504.32 = 52,101.12/x
  3. Step 3: Cross multiply
    130,982.40x = 196,504.32 × 52,101.12
  4. Step 4: Simplify right side
    130,982.40x = 10,238,095,156.84
  5. Step 5: Solve for x
    x = 10,238,095,156.84/130,982.40
  6. Step 6: Final answer
    x = 78,163.90

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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.