Home / 194,826.80-292,218.60-159,705.20

Finding the Fourth Proportional to 194,826.80, 292,218.60 and 159,705.20

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Solution

The fourth proportional to 194,826.80, 292,218.60 and 159,705.20 is: 239,540.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,826.80 : 292,218.60 = 159,705.20 : x
  2. Step 2: Convert to fraction form
    194,826.80/292,218.60 = 159,705.20/x
  3. Step 3: Cross multiply
    194,826.80x = 292,218.60 × 159,705.20
  4. Step 4: Simplify right side
    194,826.80x = 46,668,829,956.72
  5. Step 5: Solve for x
    x = 46,668,829,956.72/194,826.80
  6. Step 6: Final answer
    x = 239,540.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.