Home / 230,759.20-346,352.56-142,185.76

Finding the Fourth Proportional to 230,759.20, 346,352.56 and 142,185.76

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Solution

The fourth proportional to 230,759.20, 346,352.56 and 142,185.76 is: 213,410.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,759.20 : 346,352.56 = 142,185.76 : x
  2. Step 2: Convert to fraction form
    230,759.20/346,352.56 = 142,185.76/x
  3. Step 3: Cross multiply
    230,759.20x = 346,352.56 × 142,185.76
  4. Step 4: Simplify right side
    230,759.20x = 49,246,401,971.55
  5. Step 5: Solve for x
    x = 49,246,401,971.55/230,759.20
  6. Step 6: Final answer
    x = 213,410.35

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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.