Home / 130,277.80-195,329.10-51,351.40

Finding the Fourth Proportional to 130,277.80, 195,329.10 and 51,351.40

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Solution

The fourth proportional to 130,277.80, 195,329.10 and 51,351.40 is: 76,992.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,277.80 : 195,329.10 = 51,351.40 : x
  2. Step 2: Convert to fraction form
    130,277.80/195,329.10 = 51,351.40/x
  3. Step 3: Cross multiply
    130,277.80x = 195,329.10 × 51,351.40
  4. Step 4: Simplify right side
    130,277.80x = 10,030,422,745.74
  5. Step 5: Solve for x
    x = 10,030,422,745.74/130,277.80
  6. Step 6: Final answer
    x = 76,992.57

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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.