Home / 130,932.72-196,399.20-42,199.44

Finding the Fourth Proportional to 130,932.72, 196,399.20 and 42,199.44

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Solution

The fourth proportional to 130,932.72, 196,399.20 and 42,199.44 is: 63,299.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,932.72 : 196,399.20 = 42,199.44 : x
  2. Step 2: Convert to fraction form
    130,932.72/196,399.20 = 42,199.44/x
  3. Step 3: Cross multiply
    130,932.72x = 196,399.20 × 42,199.44
  4. Step 4: Simplify right side
    130,932.72x = 8,287,936,256.45
  5. Step 5: Solve for x
    x = 8,287,936,256.45/130,932.72
  6. Step 6: Final answer
    x = 63,299.20

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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.