Home / 211,892.28-292,439.36-136,659.48

Finding the Fourth Proportional to 211,892.28, 292,439.36 and 136,659.48

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Solution

The fourth proportional to 211,892.28, 292,439.36 and 136,659.48 is: 188,608.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,892.28 : 292,439.36 = 136,659.48 : x
  2. Step 2: Convert to fraction form
    211,892.28/292,439.36 = 136,659.48/x
  3. Step 3: Cross multiply
    211,892.28x = 292,439.36 × 136,659.48
  4. Step 4: Simplify right side
    211,892.28x = 39,964,610,869.13
  5. Step 5: Solve for x
    x = 39,964,610,869.13/211,892.28
  6. Step 6: Final answer
    x = 188,608.15

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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.