Home / 231,132.20-346,730.70-90,858.20

Finding the Fourth Proportional to 231,132.20, 346,730.70 and 90,858.20

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Solution

The fourth proportional to 231,132.20, 346,730.70 and 90,858.20 is: 136,300.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,132.20 : 346,730.70 = 90,858.20 : x
  2. Step 2: Convert to fraction form
    231,132.20/346,730.70 = 90,858.20/x
  3. Step 3: Cross multiply
    231,132.20x = 346,730.70 × 90,858.20
  4. Step 4: Simplify right side
    231,132.20x = 31,503,327,286.74
  5. Step 5: Solve for x
    x = 31,503,327,286.74/231,132.20
  6. Step 6: Final answer
    x = 136,300.04

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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.