Home / 130,984.40-196,507.32-52,103.12

Finding the Fourth Proportional to 130,984.40, 196,507.32 and 52,103.12

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Solution

The fourth proportional to 130,984.40, 196,507.32 and 52,103.12 is: 78,166.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,984.40 : 196,507.32 = 52,103.12 : x
  2. Step 2: Convert to fraction form
    130,984.40/196,507.32 = 52,103.12/x
  3. Step 3: Cross multiply
    130,984.40x = 196,507.32 × 52,103.12
  4. Step 4: Simplify right side
    130,984.40x = 10,238,644,474.84
  5. Step 5: Solve for x
    x = 10,238,644,474.84/130,984.40
  6. Step 6: Final answer
    x = 78,166.90

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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.