Home / 104,084.32-156,126.24-80,426.26

Finding the Fourth Proportional to 104,084.32, 156,126.24 and 80,426.26

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Solution

The fourth proportional to 104,084.32, 156,126.24 and 80,426.26 is: 120,639.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,084.32 : 156,126.24 = 80,426.26 : x
  2. Step 2: Convert to fraction form
    104,084.32/156,126.24 = 80,426.26/x
  3. Step 3: Cross multiply
    104,084.32x = 156,126.24 × 80,426.26
  4. Step 4: Simplify right side
    104,084.32x = 12,556,649,571.06
  5. Step 5: Solve for x
    x = 12,556,649,571.06/104,084.32
  6. Step 6: Final answer
    x = 120,639.20

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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.