Home / 172,050.80-258,149.04-83,370.32

Finding the Fourth Proportional to 172,050.80, 258,149.04 and 83,370.32

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Solution

The fourth proportional to 172,050.80, 258,149.04 and 83,370.32 is: 125,090.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,050.80 : 258,149.04 = 83,370.32 : x
  2. Step 2: Convert to fraction form
    172,050.80/258,149.04 = 83,370.32/x
  3. Step 3: Cross multiply
    172,050.80x = 258,149.04 × 83,370.32
  4. Step 4: Simplify right side
    172,050.80x = 21,521,968,072.49
  5. Step 5: Solve for x
    x = 21,521,968,072.49/172,050.80
  6. Step 6: Final answer
    x = 125,090.78

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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.