Home / 135,265.72-202,732.40-75,976.76

Finding the Fourth Proportional to 135,265.72, 202,732.40 and 75,976.76

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Solution

The fourth proportional to 135,265.72, 202,732.40 and 75,976.76 is: 113,871.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,265.72 : 202,732.40 = 75,976.76 : x
  2. Step 2: Convert to fraction form
    135,265.72/202,732.40 = 75,976.76/x
  3. Step 3: Cross multiply
    135,265.72x = 202,732.40 × 75,976.76
  4. Step 4: Simplify right side
    135,265.72x = 15,402,950,899.02
  5. Step 5: Solve for x
    x = 15,402,950,899.02/135,265.72
  6. Step 6: Final answer
    x = 113,871.80

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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.