Home / 104,126.70-156,153.60-54,190.20

Finding the Fourth Proportional to 104,126.70, 156,153.60 and 54,190.20

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Solution

The fourth proportional to 104,126.70, 156,153.60 and 54,190.20 is: 81,266.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,126.70 : 156,153.60 = 54,190.20 : x
  2. Step 2: Convert to fraction form
    104,126.70/156,153.60 = 54,190.20/x
  3. Step 3: Cross multiply
    104,126.70x = 156,153.60 × 54,190.20
  4. Step 4: Simplify right side
    104,126.70x = 8,461,994,814.72
  5. Step 5: Solve for x
    x = 8,461,994,814.72/104,126.70
  6. Step 6: Final answer
    x = 81,266.33

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1.5x scale

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.