Home / 175,638.81-263,457.82-135,715.85

Finding the Fourth Proportional to 175,638.81, 263,457.82 and 135,715.85

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Solution

The fourth proportional to 175,638.81, 263,457.82 and 135,715.85 is: 203,573.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,638.81 : 263,457.82 = 135,715.85 : x
  2. Step 2: Convert to fraction form
    175,638.81/263,457.82 = 135,715.85/x
  3. Step 3: Cross multiply
    175,638.81x = 263,457.82 × 135,715.85
  4. Step 4: Simplify right side
    175,638.81x = 35,755,400,663.16
  5. Step 5: Solve for x
    x = 35,755,400,663.16/175,638.81
  6. Step 6: Final answer
    x = 203,573.46

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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.