Home / 135,805.01-187,407.41-75,373.88

Finding the Fourth Proportional to 135,805.01, 187,407.41 and 75,373.88

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Solution

The fourth proportional to 135,805.01, 187,407.41 and 75,373.88 is: 104,014.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,805.01 : 187,407.41 = 75,373.88 : x
  2. Step 2: Convert to fraction form
    135,805.01/187,407.41 = 75,373.88/x
  3. Step 3: Cross multiply
    135,805.01x = 187,407.41 × 75,373.88
  4. Step 4: Simplify right side
    135,805.01x = 14,125,622,318.54
  5. Step 5: Solve for x
    x = 14,125,622,318.54/135,805.01
  6. Step 6: Final answer
    x = 104,014.00

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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.