Home / 172,346.43-258,522.89-54,015.15

Finding the Fourth Proportional to 172,346.43, 258,522.89 and 54,015.15

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Solution

The fourth proportional to 172,346.43, 258,522.89 and 54,015.15 is: 81,023.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,346.43 : 258,522.89 = 54,015.15 : x
  2. Step 2: Convert to fraction form
    172,346.43/258,522.89 = 54,015.15/x
  3. Step 3: Cross multiply
    172,346.43x = 258,522.89 × 54,015.15
  4. Step 4: Simplify right side
    172,346.43x = 13,964,152,411.71
  5. Step 5: Solve for x
    x = 13,964,152,411.71/172,346.43
  6. Step 6: Final answer
    x = 81,023.74

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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.