Home / 87,247.94-130,887.24-45,116.54

Finding the Fourth Proportional to 87,247.94, 130,887.24 and 45,116.54

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Solution

The fourth proportional to 87,247.94, 130,887.24 and 45,116.54 is: 67,682.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,247.94 : 130,887.24 = 45,116.54 : x
  2. Step 2: Convert to fraction form
    87,247.94/130,887.24 = 45,116.54/x
  3. Step 3: Cross multiply
    87,247.94x = 130,887.24 × 45,116.54
  4. Step 4: Simplify right side
    87,247.94x = 5,905,180,056.17
  5. Step 5: Solve for x
    x = 5,905,180,056.17/87,247.94
  6. Step 6: Final answer
    x = 67,682.75

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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.