Home / 103,553.35-142,731.37-73,299.85

Finding the Fourth Proportional to 103,553.35, 142,731.37 and 73,299.85

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Solution

The fourth proportional to 103,553.35, 142,731.37 and 73,299.85 is: 101,031.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,553.35 : 142,731.37 = 73,299.85 : x
  2. Step 2: Convert to fraction form
    103,553.35/142,731.37 = 73,299.85/x
  3. Step 3: Cross multiply
    103,553.35x = 142,731.37 × 73,299.85
  4. Step 4: Simplify right side
    103,553.35x = 10,462,188,011.29
  5. Step 5: Solve for x
    x = 10,462,188,011.29/103,553.35
  6. Step 6: Final answer
    x = 101,031.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.