Home / 212,199.56-292,837.38-115,404.32

Finding the Fourth Proportional to 212,199.56, 292,837.38 and 115,404.32

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Solution

The fourth proportional to 212,199.56, 292,837.38 and 115,404.32 is: 159,259.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,199.56 : 292,837.38 = 115,404.32 : x
  2. Step 2: Convert to fraction form
    212,199.56/292,837.38 = 115,404.32/x
  3. Step 3: Cross multiply
    212,199.56x = 292,837.38 × 115,404.32
  4. Step 4: Simplify right side
    212,199.56x = 33,794,698,709.48
  5. Step 5: Solve for x
    x = 33,794,698,709.48/212,199.56
  6. Step 6: Final answer
    x = 159,259.04

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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.