Home / 166,180.07-229,327.29-90,728.57

Finding the Fourth Proportional to 166,180.07, 229,327.29 and 90,728.57

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Solution

The fourth proportional to 166,180.07, 229,327.29 and 90,728.57 is: 125,204.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,180.07 : 229,327.29 = 90,728.57 : x
  2. Step 2: Convert to fraction form
    166,180.07/229,327.29 = 90,728.57/x
  3. Step 3: Cross multiply
    166,180.07x = 229,327.29 × 90,728.57
  4. Step 4: Simplify right side
    166,180.07x = 20,806,537,656.99
  5. Step 5: Solve for x
    x = 20,806,537,656.99/166,180.07
  6. Step 6: Final answer
    x = 125,204.77

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1.5x scale

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.