Home / 172,270.13-258,457.60-88,089.39

Finding the Fourth Proportional to 172,270.13, 258,457.60 and 88,089.39

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Solution

The fourth proportional to 172,270.13, 258,457.60 and 88,089.39 is: 132,160.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,270.13 : 258,457.60 = 88,089.39 : x
  2. Step 2: Convert to fraction form
    172,270.13/258,457.60 = 88,089.39/x
  3. Step 3: Cross multiply
    172,270.13x = 258,457.60 × 88,089.39
  4. Step 4: Simplify right side
    172,270.13x = 22,767,372,434.98
  5. Step 5: Solve for x
    x = 22,767,372,434.98/172,270.13
  6. Step 6: Final answer
    x = 132,160.89

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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.