Home / 203,957.48-281,501.78-130,322.81

Finding the Fourth Proportional to 203,957.48, 281,501.78 and 130,322.81

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Solution

The fourth proportional to 203,957.48, 281,501.78 and 130,322.81 is: 179,871.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,957.48 : 281,501.78 = 130,322.81 : x
  2. Step 2: Convert to fraction form
    203,957.48/281,501.78 = 130,322.81/x
  3. Step 3: Cross multiply
    203,957.48x = 281,501.78 × 130,322.81
  4. Step 4: Simplify right side
    203,957.48x = 36,686,100,930.48
  5. Step 5: Solve for x
    x = 36,686,100,930.48/203,957.48
  6. Step 6: Final answer
    x = 179,871.32

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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.