Home / 103,767.56-143,777.61-101,525.48

Finding the Fourth Proportional to 103,767.56, 143,777.61 and 101,525.48

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Solution

The fourth proportional to 103,767.56, 143,777.61 and 101,525.48 is: 140,671.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,767.56 : 143,777.61 = 101,525.48 : x
  2. Step 2: Convert to fraction form
    103,767.56/143,777.61 = 101,525.48/x
  3. Step 3: Cross multiply
    103,767.56x = 143,777.61 × 101,525.48
  4. Step 4: Simplify right side
    103,767.56x = 14,597,090,868.50
  5. Step 5: Solve for x
    x = 14,597,090,868.50/103,767.56
  6. Step 6: Final answer
    x = 140,671.04

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.