Home / 121,722.02-182,626.78-107,112.86

Finding the Fourth Proportional to 121,722.02, 182,626.78 and 107,112.86

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Solution

The fourth proportional to 121,722.02, 182,626.78 and 107,112.86 is: 160,707.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,722.02 : 182,626.78 = 107,112.86 : x
  2. Step 2: Convert to fraction form
    121,722.02/182,626.78 = 107,112.86/x
  3. Step 3: Cross multiply
    121,722.02x = 182,626.78 × 107,112.86
  4. Step 4: Simplify right side
    121,722.02x = 19,561,676,718.39
  5. Step 5: Solve for x
    x = 19,561,676,718.39/121,722.02
  6. Step 6: Final answer
    x = 160,707.79

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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.