Home / 172,677.09-259,050.66-54,320.90

Finding the Fourth Proportional to 172,677.09, 259,050.66 and 54,320.90

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Solution

The fourth proportional to 172,677.09, 259,050.66 and 54,320.90 is: 81,492.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,677.09 : 259,050.66 = 54,320.90 : x
  2. Step 2: Convert to fraction form
    172,677.09/259,050.66 = 54,320.90/x
  3. Step 3: Cross multiply
    172,677.09x = 259,050.66 × 54,320.90
  4. Step 4: Simplify right side
    172,677.09x = 14,071,864,484.97
  5. Step 5: Solve for x
    x = 14,071,864,484.97/172,677.09
  6. Step 6: Final answer
    x = 81,492.37

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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.