Home / 170,137.15-255,205.72-51,808.50

Finding the Fourth Proportional to 170,137.15, 255,205.72 and 51,808.50

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Solution

The fourth proportional to 170,137.15, 255,205.72 and 51,808.50 is: 77,712.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,137.15 : 255,205.72 = 51,808.50 : x
  2. Step 2: Convert to fraction form
    170,137.15/255,205.72 = 51,808.50/x
  3. Step 3: Cross multiply
    170,137.15x = 255,205.72 × 51,808.50
  4. Step 4: Simplify right side
    170,137.15x = 13,221,825,544.62
  5. Step 5: Solve for x
    x = 13,221,825,544.62/170,137.15
  6. Step 6: Final answer
    x = 77,712.75

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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.