Home / 172,140.11-258,209.97-59,820.34

Finding the Fourth Proportional to 172,140.11, 258,209.97 and 59,820.34

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Solution

The fourth proportional to 172,140.11, 258,209.97 and 59,820.34 is: 89,730.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,140.11 : 258,209.97 = 59,820.34 : x
  2. Step 2: Convert to fraction form
    172,140.11/258,209.97 = 59,820.34/x
  3. Step 3: Cross multiply
    172,140.11x = 258,209.97 × 59,820.34
  4. Step 4: Simplify right side
    172,140.11x = 15,446,208,196.79
  5. Step 5: Solve for x
    x = 15,446,208,196.79/172,140.11
  6. Step 6: Final answer
    x = 89,730.44

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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.