Home / 212,200.56-292,838.76-115,405.32

Finding the Fourth Proportional to 212,200.56, 292,838.76 and 115,405.32

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Solution

The fourth proportional to 212,200.56, 292,838.76 and 115,405.32 is: 159,260.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,200.56 : 292,838.76 = 115,405.32 : x
  2. Step 2: Convert to fraction form
    212,200.56/292,838.76 = 115,405.32/x
  3. Step 3: Cross multiply
    212,200.56x = 292,838.76 × 115,405.32
  4. Step 4: Simplify right side
    212,200.56x = 33,795,150,806.20
  5. Step 5: Solve for x
    x = 33,795,150,806.20/212,200.56
  6. Step 6: Final answer
    x = 159,260.42

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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.