Home / 130,146.12-195,201.84-36,659.16

Finding the Fourth Proportional to 130,146.12, 195,201.84 and 36,659.16

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Solution

The fourth proportional to 130,146.12, 195,201.84 and 36,659.16 is: 54,983.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,146.12 : 195,201.84 = 36,659.16 : x
  2. Step 2: Convert to fraction form
    130,146.12/195,201.84 = 36,659.16/x
  3. Step 3: Cross multiply
    130,146.12x = 195,201.84 × 36,659.16
  4. Step 4: Simplify right side
    130,146.12x = 7,155,935,484.85
  5. Step 5: Solve for x
    x = 7,155,935,484.85/130,146.12
  6. Step 6: Final answer
    x = 54,983.86

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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.