Home / 172,458.13-258,676.53-64,366.45

Finding the Fourth Proportional to 172,458.13, 258,676.53 and 64,366.45

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Solution

The fourth proportional to 172,458.13, 258,676.53 and 64,366.45 is: 96,545.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,458.13 : 258,676.53 = 64,366.45 : x
  2. Step 2: Convert to fraction form
    172,458.13/258,676.53 = 64,366.45/x
  3. Step 3: Cross multiply
    172,458.13x = 258,676.53 × 64,366.45
  4. Step 4: Simplify right side
    172,458.13x = 16,650,089,934.42
  5. Step 5: Solve for x
    x = 16,650,089,934.42/172,458.13
  6. Step 6: Final answer
    x = 96,545.69

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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.