Home / 104,617.35-156,774.57-72,126.21

Finding the Fourth Proportional to 104,617.35, 156,774.57 and 72,126.21

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Solution

The fourth proportional to 104,617.35, 156,774.57 and 72,126.21 is: 108,084.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,617.35 : 156,774.57 = 72,126.21 : x
  2. Step 2: Convert to fraction form
    104,617.35/156,774.57 = 72,126.21/x
  3. Step 3: Cross multiply
    104,617.35x = 156,774.57 × 72,126.21
  4. Step 4: Simplify right side
    104,617.35x = 11,307,555,558.48
  5. Step 5: Solve for x
    x = 11,307,555,558.48/104,617.35
  6. Step 6: Final answer
    x = 108,084.90

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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.