Home / 165,623.20-248,434.80-54,815.20

Finding the Fourth Proportional to 165,623.20, 248,434.80 and 54,815.20

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Solution

The fourth proportional to 165,623.20, 248,434.80 and 54,815.20 is: 82,222.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,623.20 : 248,434.80 = 54,815.20 : x
  2. Step 2: Convert to fraction form
    165,623.20/248,434.80 = 54,815.20/x
  3. Step 3: Cross multiply
    165,623.20x = 248,434.80 × 54,815.20
  4. Step 4: Simplify right side
    165,623.20x = 13,618,003,248.96
  5. Step 5: Solve for x
    x = 13,618,003,248.96/165,623.20
  6. Step 6: Final answer
    x = 82,222.80

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1.5x scale

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.