Home / 172,440.93-258,672.32-54,116.94

Finding the Fourth Proportional to 172,440.93, 258,672.32 and 54,116.94

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Solution

The fourth proportional to 172,440.93, 258,672.32 and 54,116.94 is: 81,178.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,440.93 : 258,672.32 = 54,116.94 : x
  2. Step 2: Convert to fraction form
    172,440.93/258,672.32 = 54,116.94/x
  3. Step 3: Cross multiply
    172,440.93x = 258,672.32 × 54,116.94
  4. Step 4: Simplify right side
    172,440.93x = 13,998,555,323.48
  5. Step 5: Solve for x
    x = 13,998,555,323.48/172,440.93
  6. Step 6: Final answer
    x = 81,178.84

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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.