Home / 165,948.20-248,822.14-66,123.80

Finding the Fourth Proportional to 165,948.20, 248,822.14 and 66,123.80

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Solution

The fourth proportional to 165,948.20, 248,822.14 and 66,123.80 is: 99,145.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,948.20 : 248,822.14 = 66,123.80 : x
  2. Step 2: Convert to fraction form
    165,948.20/248,822.14 = 66,123.80/x
  3. Step 3: Cross multiply
    165,948.20x = 248,822.14 × 66,123.80
  4. Step 4: Simplify right side
    165,948.20x = 16,453,065,420.93
  5. Step 5: Solve for x
    x = 16,453,065,420.93/165,948.20
  6. Step 6: Final answer
    x = 99,145.79

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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.