Home / 130,177.80-195,179.18-51,251.40

Finding the Fourth Proportional to 130,177.80, 195,179.18 and 51,251.40

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Solution

The fourth proportional to 130,177.80, 195,179.18 and 51,251.40 is: 76,842.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,177.80 : 195,179.18 = 51,251.40 : x
  2. Step 2: Convert to fraction form
    130,177.80/195,179.18 = 51,251.40/x
  3. Step 3: Cross multiply
    130,177.80x = 195,179.18 × 51,251.40
  4. Step 4: Simplify right side
    130,177.80x = 10,003,206,225.85
  5. Step 5: Solve for x
    x = 10,003,206,225.85/130,177.80
  6. Step 6: Final answer
    x = 76,842.64

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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.