Home / 166,420.12-229,647.80-102,759

Finding the Fourth Proportional to 166,420.12, 229,647.80 and 102,759

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Solution

The fourth proportional to 166,420.12, 229,647.80 and 102,759 is: 141,800.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,420.12 : 229,647.80 = 102,759 : x
  2. Step 2: Convert to fraction form
    166,420.12/229,647.80 = 102,759/x
  3. Step 3: Cross multiply
    166,420.12x = 229,647.80 × 102,759
  4. Step 4: Simplify right side
    166,420.12x = 23,598,378,280.20
  5. Step 5: Solve for x
    x = 23,598,378,280.20/166,420.12
  6. Step 6: Final answer
    x = 141,800.03

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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.