Home / 172,376.34-258,564.50-54,057.20

Finding the Fourth Proportional to 172,376.34, 258,564.50 and 54,057.20

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Solution

The fourth proportional to 172,376.34, 258,564.50 and 54,057.20 is: 81,085.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,376.34 : 258,564.50 = 54,057.20 : x
  2. Step 2: Convert to fraction form
    172,376.34/258,564.50 = 54,057.20/x
  3. Step 3: Cross multiply
    172,376.34x = 258,564.50 × 54,057.20
  4. Step 4: Simplify right side
    172,376.34x = 13,977,272,889.40
  5. Step 5: Solve for x
    x = 13,977,272,889.40/172,376.34
  6. Step 6: Final answer
    x = 81,085.80

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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.