Home / 172,403.04-258,604.86-54,083.71

Finding the Fourth Proportional to 172,403.04, 258,604.86 and 54,083.71

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Solution

The fourth proportional to 172,403.04, 258,604.86 and 54,083.71 is: 81,125.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,403.04 : 258,604.86 = 54,083.71 : x
  2. Step 2: Convert to fraction form
    172,403.04/258,604.86 = 54,083.71/x
  3. Step 3: Cross multiply
    172,403.04x = 258,604.86 × 54,083.71
  4. Step 4: Simplify right side
    172,403.04x = 13,986,308,959.81
  5. Step 5: Solve for x
    x = 13,986,308,959.81/172,403.04
  6. Step 6: Final answer
    x = 81,125.65

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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.