Home / 197,903.32-272,921.34-126,329.56

Finding the Fourth Proportional to 197,903.32, 272,921.34 and 126,329.56

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Solution

The fourth proportional to 197,903.32, 272,921.34 and 126,329.56 is: 174,216.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,903.32 : 272,921.34 = 126,329.56 : x
  2. Step 2: Convert to fraction form
    197,903.32/272,921.34 = 126,329.56/x
  3. Step 3: Cross multiply
    197,903.32x = 272,921.34 × 126,329.56
  4. Step 4: Simplify right side
    197,903.32x = 34,478,032,796.81
  5. Step 5: Solve for x
    x = 34,478,032,796.81/197,903.32
  6. Step 6: Final answer
    x = 174,216.55

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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.