Home / 102,767.40-154,151.04-43,561.56

Finding the Fourth Proportional to 102,767.40, 154,151.04 and 43,561.56

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Solution

The fourth proportional to 102,767.40, 154,151.04 and 43,561.56 is: 65,342.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,767.40 : 154,151.04 = 43,561.56 : x
  2. Step 2: Convert to fraction form
    102,767.40/154,151.04 = 43,561.56/x
  3. Step 3: Cross multiply
    102,767.40x = 154,151.04 × 43,561.56
  4. Step 4: Simplify right side
    102,767.40x = 6,715,059,778.02
  5. Step 5: Solve for x
    x = 6,715,059,778.02/102,767.40
  6. Step 6: Final answer
    x = 65,342.31

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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.