Home / 170,276.97-255,405.93-51,939

Finding the Fourth Proportional to 170,276.97, 255,405.93 and 51,939

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Solution

The fourth proportional to 170,276.97, 255,405.93 and 51,939 is: 77,905.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,276.97 : 255,405.93 = 51,939 : x
  2. Step 2: Convert to fraction form
    170,276.97/255,405.93 = 51,939/x
  3. Step 3: Cross multiply
    170,276.97x = 255,405.93 × 51,939
  4. Step 4: Simplify right side
    170,276.97x = 13,265,528,598.27
  5. Step 5: Solve for x
    x = 13,265,528,598.27/170,276.97
  6. Step 6: Final answer
    x = 77,905.59

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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.