Home / 212,059.20-292,636.83-115,260.78

Finding the Fourth Proportional to 212,059.20, 292,636.83 and 115,260.78

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Solution

The fourth proportional to 212,059.20, 292,636.83 and 115,260.78 is: 159,057.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,059.20 : 292,636.83 = 115,260.78 : x
  2. Step 2: Convert to fraction form
    212,059.20/292,636.83 = 115,260.78/x
  3. Step 3: Cross multiply
    212,059.20x = 292,636.83 × 115,260.78
  4. Step 4: Simplify right side
    212,059.20x = 33,729,549,282.53
  5. Step 5: Solve for x
    x = 33,729,549,282.53/212,059.20
  6. Step 6: Final answer
    x = 159,057.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.