Home / 170,318.71-255,515.60-51,999.31

Finding the Fourth Proportional to 170,318.71, 255,515.60 and 51,999.31

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Solution

The fourth proportional to 170,318.71, 255,515.60 and 51,999.31 is: 78,010.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,318.71 : 255,515.60 = 51,999.31 : x
  2. Step 2: Convert to fraction form
    170,318.71/255,515.60 = 51,999.31/x
  3. Step 3: Cross multiply
    170,318.71x = 255,515.60 × 51,999.31
  4. Step 4: Simplify right side
    170,318.71x = 13,286,634,894.24
  5. Step 5: Solve for x
    x = 13,286,634,894.24/170,318.71
  6. Step 6: Final answer
    x = 78,010.42

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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.