Home / 135,803.01-187,405.32-75,370.14

Finding the Fourth Proportional to 135,803.01, 187,405.32 and 75,370.14

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Solution

The fourth proportional to 135,803.01, 187,405.32 and 75,370.14 is: 104,009.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,803.01 : 187,405.32 = 75,370.14 : x
  2. Step 2: Convert to fraction form
    135,803.01/187,405.32 = 75,370.14/x
  3. Step 3: Cross multiply
    135,803.01x = 187,405.32 × 75,370.14
  4. Step 4: Simplify right side
    135,803.01x = 14,124,765,205.14
  5. Step 5: Solve for x
    x = 14,124,765,205.14/135,803.01
  6. Step 6: Final answer
    x = 104,009.22

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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.