Home / 130,645.20-196,000.20-37,150.80

Finding the Fourth Proportional to 130,645.20, 196,000.20 and 37,150.80

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Solution

The fourth proportional to 130,645.20, 196,000.20 and 37,150.80 is: 55,735.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,645.20 : 196,000.20 = 37,150.80 : x
  2. Step 2: Convert to fraction form
    130,645.20/196,000.20 = 37,150.80/x
  3. Step 3: Cross multiply
    130,645.20x = 196,000.20 × 37,150.80
  4. Step 4: Simplify right side
    130,645.20x = 7,281,564,230.16
  5. Step 5: Solve for x
    x = 7,281,564,230.16/130,645.20
  6. Step 6: Final answer
    x = 55,735.41

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1.5x scale

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.