Home / 194,021.04-267,746.40-109,138.18

Finding the Fourth Proportional to 194,021.04, 267,746.40 and 109,138.18

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Solution

The fourth proportional to 194,021.04, 267,746.40 and 109,138.18 is: 150,609.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,021.04 : 267,746.40 = 109,138.18 : x
  2. Step 2: Convert to fraction form
    194,021.04/267,746.40 = 109,138.18/x
  3. Step 3: Cross multiply
    194,021.04x = 267,746.40 × 109,138.18
  4. Step 4: Simplify right side
    194,021.04x = 29,221,354,797.55
  5. Step 5: Solve for x
    x = 29,221,354,797.55/194,021.04
  6. Step 6: Final answer
    x = 150,609.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.