Home / 130,703.80-196,120.56-51,816.28

Finding the Fourth Proportional to 130,703.80, 196,120.56 and 51,816.28

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Solution

The fourth proportional to 130,703.80, 196,120.56 and 51,816.28 is: 77,750.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,703.80 : 196,120.56 = 51,816.28 : x
  2. Step 2: Convert to fraction form
    130,703.80/196,120.56 = 51,816.28/x
  3. Step 3: Cross multiply
    130,703.80x = 196,120.56 × 51,816.28
  4. Step 4: Simplify right side
    130,703.80x = 10,162,237,850.72
  5. Step 5: Solve for x
    x = 10,162,237,850.72/130,703.80
  6. Step 6: Final answer
    x = 77,750.13

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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.