Home / 231,138.29-346,817.39-160,170.14

Finding the Fourth Proportional to 231,138.29, 346,817.39 and 160,170.14

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Solution

The fourth proportional to 231,138.29, 346,817.39 and 160,170.14 is: 240,331.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,138.29 : 346,817.39 = 160,170.14 : x
  2. Step 2: Convert to fraction form
    231,138.29/346,817.39 = 160,170.14/x
  3. Step 3: Cross multiply
    231,138.29x = 346,817.39 × 160,170.14
  4. Step 4: Simplify right side
    231,138.29x = 55,549,787,375.80
  5. Step 5: Solve for x
    x = 55,549,787,375.80/231,138.29
  6. Step 6: Final answer
    x = 240,331.40

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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.