Home / 170,167.78-255,232.32-45,518.50

Finding the Fourth Proportional to 170,167.78, 255,232.32 and 45,518.50

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Solution

The fourth proportional to 170,167.78, 255,232.32 and 45,518.50 is: 68,272.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,167.78 : 255,232.32 = 45,518.50 : x
  2. Step 2: Convert to fraction form
    170,167.78/255,232.32 = 45,518.50/x
  3. Step 3: Cross multiply
    170,167.78x = 255,232.32 × 45,518.50
  4. Step 4: Simplify right side
    170,167.78x = 11,617,792,357.92
  5. Step 5: Solve for x
    x = 11,617,792,357.92/170,167.78
  6. Step 6: Final answer
    x = 68,272.57

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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.