Home / 110,766.48-166,171.68-40,646.40

Finding the Fourth Proportional to 110,766.48, 166,171.68 and 40,646.40

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Solution

The fourth proportional to 110,766.48, 166,171.68 and 40,646.40 is: 60,977.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,766.48 : 166,171.68 = 40,646.40 : x
  2. Step 2: Convert to fraction form
    110,766.48/166,171.68 = 40,646.40/x
  3. Step 3: Cross multiply
    110,766.48x = 166,171.68 × 40,646.40
  4. Step 4: Simplify right side
    110,766.48x = 6,754,280,573.95
  5. Step 5: Solve for x
    x = 6,754,280,573.95/110,766.48
  6. Step 6: Final answer
    x = 60,977.66

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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.