Home / 231,109.20-346,291.20-130,971.60

Finding the Fourth Proportional to 231,109.20, 346,291.20 and 130,971.60

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Solution

The fourth proportional to 231,109.20, 346,291.20 and 130,971.60 is: 196,246.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,109.20 : 346,291.20 = 130,971.60 : x
  2. Step 2: Convert to fraction form
    231,109.20/346,291.20 = 130,971.60/x
  3. Step 3: Cross multiply
    231,109.20x = 346,291.20 × 130,971.60
  4. Step 4: Simplify right side
    231,109.20x = 45,354,312,529.92
  5. Step 5: Solve for x
    x = 45,354,312,529.92/231,109.20
  6. Step 6: Final answer
    x = 196,246.24

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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.