Home / 130,729.56-196,101.64-37,228

Finding the Fourth Proportional to 130,729.56, 196,101.64 and 37,228

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Solution

The fourth proportional to 130,729.56, 196,101.64 and 37,228 is: 55,844.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,729.56 : 196,101.64 = 37,228 : x
  2. Step 2: Convert to fraction form
    130,729.56/196,101.64 = 37,228/x
  3. Step 3: Cross multiply
    130,729.56x = 196,101.64 × 37,228
  4. Step 4: Simplify right side
    130,729.56x = 7,300,471,853.92
  5. Step 5: Solve for x
    x = 7,300,471,853.92/130,729.56
  6. Step 6: Final answer
    x = 55,844.08

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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.