Home / 87,150.21-130,551.98-68,342.01

Finding the Fourth Proportional to 87,150.21, 130,551.98 and 68,342.01

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Solution

The fourth proportional to 87,150.21, 130,551.98 and 68,342.01 is: 102,377.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,150.21 : 130,551.98 = 68,342.01 : x
  2. Step 2: Convert to fraction form
    87,150.21/130,551.98 = 68,342.01/x
  3. Step 3: Cross multiply
    87,150.21x = 130,551.98 × 68,342.01
  4. Step 4: Simplify right side
    87,150.21x = 8,922,184,380.97
  5. Step 5: Solve for x
    x = 8,922,184,380.97/87,150.21
  6. Step 6: Final answer
    x = 102,377.08

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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.