Home / 194,943.40-291,723.90-132,735.40

Finding the Fourth Proportional to 194,943.40, 291,723.90 and 132,735.40

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Solution

The fourth proportional to 194,943.40, 291,723.90 and 132,735.40 is: 198,632.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,943.40 : 291,723.90 = 132,735.40 : x
  2. Step 2: Convert to fraction form
    194,943.40/291,723.90 = 132,735.40/x
  3. Step 3: Cross multiply
    194,943.40x = 291,723.90 × 132,735.40
  4. Step 4: Simplify right side
    194,943.40x = 38,722,088,556.06
  5. Step 5: Solve for x
    x = 38,722,088,556.06/194,943.40
  6. Step 6: Final answer
    x = 198,632.47

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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.