Home / 104,288.67-155,091.33-100,967.18

Finding the Fourth Proportional to 104,288.67, 155,091.33 and 100,967.18

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Solution

The fourth proportional to 104,288.67, 155,091.33 and 100,967.18 is: 150,151.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,288.67 : 155,091.33 = 100,967.18 : x
  2. Step 2: Convert to fraction form
    104,288.67/155,091.33 = 100,967.18/x
  3. Step 3: Cross multiply
    104,288.67x = 155,091.33 × 100,967.18
  4. Step 4: Simplify right side
    104,288.67x = 15,659,133,457.09
  5. Step 5: Solve for x
    x = 15,659,133,457.09/104,288.67
  6. Step 6: Final answer
    x = 150,151.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.