Home / 81,360.35-122,052.12-25,204.87

Finding the Fourth Proportional to 81,360.35, 122,052.12 and 25,204.87

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Solution

The fourth proportional to 81,360.35, 122,052.12 and 25,204.87 is: 37,810.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,360.35 : 122,052.12 = 25,204.87 : x
  2. Step 2: Convert to fraction form
    81,360.35/122,052.12 = 25,204.87/x
  3. Step 3: Cross multiply
    81,360.35x = 122,052.12 × 25,204.87
  4. Step 4: Simplify right side
    81,360.35x = 3,076,307,875.87
  5. Step 5: Solve for x
    x = 3,076,307,875.87/81,360.35
  6. Step 6: Final answer
    x = 37,810.90

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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.