Home / 130,817.62-196,259.24-51,905.80

Finding the Fourth Proportional to 130,817.62, 196,259.24 and 51,905.80

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Solution

The fourth proportional to 130,817.62, 196,259.24 and 51,905.80 is: 77,871.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,817.62 : 196,259.24 = 51,905.80 : x
  2. Step 2: Convert to fraction form
    130,817.62/196,259.24 = 51,905.80/x
  3. Step 3: Cross multiply
    130,817.62x = 196,259.24 × 51,905.80
  4. Step 4: Simplify right side
    130,817.62x = 10,186,992,859.59
  5. Step 5: Solve for x
    x = 10,186,992,859.59/130,817.62
  6. Step 6: Final answer
    x = 77,871.72

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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.