Home / 104,056.20-155,738.70-72,952.20

Finding the Fourth Proportional to 104,056.20, 155,738.70 and 72,952.20

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Solution

The fourth proportional to 104,056.20, 155,738.70 and 72,952.20 is: 109,186.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,056.20 : 155,738.70 = 72,952.20 : x
  2. Step 2: Convert to fraction form
    104,056.20/155,738.70 = 72,952.20/x
  3. Step 3: Cross multiply
    104,056.20x = 155,738.70 × 72,952.20
  4. Step 4: Simplify right side
    104,056.20x = 11,361,480,790.14
  5. Step 5: Solve for x
    x = 11,361,480,790.14/104,056.20
  6. Step 6: Final answer
    x = 109,186.01

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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.