Home / 197,725.83-272,860.20-107,079.69

Finding the Fourth Proportional to 197,725.83, 272,860.20 and 107,079.69

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Solution

The fourth proportional to 197,725.83, 272,860.20 and 107,079.69 is: 147,769.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,725.83 : 272,860.20 = 107,079.69 : x
  2. Step 2: Convert to fraction form
    197,725.83/272,860.20 = 107,079.69/x
  3. Step 3: Cross multiply
    197,725.83x = 272,860.20 × 107,079.69
  4. Step 4: Simplify right side
    197,725.83x = 29,217,785,629.34
  5. Step 5: Solve for x
    x = 29,217,785,629.34/197,725.83
  6. Step 6: Final answer
    x = 147,769.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.