Home / 231,189.20-346,411.20-131,051.60

Finding the Fourth Proportional to 231,189.20, 346,411.20 and 131,051.60

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Solution

The fourth proportional to 231,189.20, 346,411.20 and 131,051.60 is: 196,366.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,189.20 : 346,411.20 = 131,051.60 : x
  2. Step 2: Convert to fraction form
    231,189.20/346,411.20 = 131,051.60/x
  3. Step 3: Cross multiply
    231,189.20x = 346,411.20 × 131,051.60
  4. Step 4: Simplify right side
    231,189.20x = 45,397,742,017.92
  5. Step 5: Solve for x
    x = 45,397,742,017.92/231,189.20
  6. Step 6: Final answer
    x = 196,366.19

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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.