Home / 170,161.36-255,278.96-51,829.60

Finding the Fourth Proportional to 170,161.36, 255,278.96 and 51,829.60

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Solution

The fourth proportional to 170,161.36, 255,278.96 and 51,829.60 is: 77,755.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,161.36 : 255,278.96 = 51,829.60 : x
  2. Step 2: Convert to fraction form
    170,161.36/255,278.96 = 51,829.60/x
  3. Step 3: Cross multiply
    170,161.36x = 255,278.96 × 51,829.60
  4. Step 4: Simplify right side
    170,161.36x = 13,231,006,385.22
  5. Step 5: Solve for x
    x = 13,231,006,385.22/170,161.36
  6. Step 6: Final answer
    x = 77,755.65

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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.