Home / 169,958.06-254,937-80,941.70

Finding the Fourth Proportional to 169,958.06, 254,937 and 80,941.70

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Solution

The fourth proportional to 169,958.06, 254,937 and 80,941.70 is: 121,412.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,958.06 : 254,937 = 80,941.70 : x
  2. Step 2: Convert to fraction form
    169,958.06/254,937 = 80,941.70/x
  3. Step 3: Cross multiply
    169,958.06x = 254,937 × 80,941.70
  4. Step 4: Simplify right side
    169,958.06x = 20,635,034,172.90
  5. Step 5: Solve for x
    x = 20,635,034,172.90/169,958.06
  6. Step 6: Final answer
    x = 121,412.51

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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.