Home / 172,590.66-258,897.18-54,266.58

Finding the Fourth Proportional to 172,590.66, 258,897.18 and 54,266.58

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Solution

The fourth proportional to 172,590.66, 258,897.18 and 54,266.58 is: 81,403.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,590.66 : 258,897.18 = 54,266.58 : x
  2. Step 2: Convert to fraction form
    172,590.66/258,897.18 = 54,266.58/x
  3. Step 3: Cross multiply
    172,590.66x = 258,897.18 × 54,266.58
  4. Step 4: Simplify right side
    172,590.66x = 14,049,464,530.24
  5. Step 5: Solve for x
    x = 14,049,464,530.24/172,590.66
  6. Step 6: Final answer
    x = 81,403.39

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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.