Home / 166,625.10-229,941.72-90,144

Finding the Fourth Proportional to 166,625.10, 229,941.72 and 90,144

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Solution

The fourth proportional to 166,625.10, 229,941.72 and 90,144 is: 124,398.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,625.10 : 229,941.72 = 90,144 : x
  2. Step 2: Convert to fraction form
    166,625.10/229,941.72 = 90,144/x
  3. Step 3: Cross multiply
    166,625.10x = 229,941.72 × 90,144
  4. Step 4: Simplify right side
    166,625.10x = 20,727,866,407.68
  5. Step 5: Solve for x
    x = 20,727,866,407.68/166,625.10
  6. Step 6: Final answer
    x = 124,398.22

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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.