Home / 130,919.90-196,391.07-36,150.08

Finding the Fourth Proportional to 130,919.90, 196,391.07 and 36,150.08

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Solution

The fourth proportional to 130,919.90, 196,391.07 and 36,150.08 is: 54,228.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,919.90 : 196,391.07 = 36,150.08 : x
  2. Step 2: Convert to fraction form
    130,919.90/196,391.07 = 36,150.08/x
  3. Step 3: Cross multiply
    130,919.90x = 196,391.07 × 36,150.08
  4. Step 4: Simplify right side
    130,919.90x = 7,099,551,909.83
  5. Step 5: Solve for x
    x = 7,099,551,909.83/130,919.90
  6. Step 6: Final answer
    x = 54,228.21

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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.