Home / 170,437.30-255,653.55-76,942.90

Finding the Fourth Proportional to 170,437.30, 255,653.55 and 76,942.90

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Solution

The fourth proportional to 170,437.30, 255,653.55 and 76,942.90 is: 115,413.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,437.30 : 255,653.55 = 76,942.90 : x
  2. Step 2: Convert to fraction form
    170,437.30/255,653.55 = 76,942.90/x
  3. Step 3: Cross multiply
    170,437.30x = 255,653.55 × 76,942.90
  4. Step 4: Simplify right side
    170,437.30x = 19,670,725,532.30
  5. Step 5: Solve for x
    x = 19,670,725,532.30/170,437.30
  6. Step 6: Final answer
    x = 115,413.27

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1.5x scale

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.