Home / 172,746.25-259,106.89-54,451.45

Finding the Fourth Proportional to 172,746.25, 259,106.89 and 54,451.45

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Solution

The fourth proportional to 172,746.25, 259,106.89 and 54,451.45 is: 81,673.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,746.25 : 259,106.89 = 54,451.45 : x
  2. Step 2: Convert to fraction form
    172,746.25/259,106.89 = 54,451.45/x
  3. Step 3: Cross multiply
    172,746.25x = 259,106.89 × 54,451.45
  4. Step 4: Simplify right side
    172,746.25x = 14,108,745,865.49
  5. Step 5: Solve for x
    x = 14,108,745,865.49/172,746.25
  6. Step 6: Final answer
    x = 81,673.24

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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.