Home / 185,956.15-256,743.07-142,858.88

Finding the Fourth Proportional to 185,956.15, 256,743.07 and 142,858.88

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Solution

The fourth proportional to 185,956.15, 256,743.07 and 142,858.88 is: 197,240.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,956.15 : 256,743.07 = 142,858.88 : x
  2. Step 2: Convert to fraction form
    185,956.15/256,743.07 = 142,858.88/x
  3. Step 3: Cross multiply
    185,956.15x = 256,743.07 × 142,858.88
  4. Step 4: Simplify right side
    185,956.15x = 36,678,027,427.96
  5. Step 5: Solve for x
    x = 36,678,027,427.96/185,956.15
  6. Step 6: Final answer
    x = 197,240.20

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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.