Home / 166,400.28-229,605.84-94,781.72

Finding the Fourth Proportional to 166,400.28, 229,605.84 and 94,781.72

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Solution

The fourth proportional to 166,400.28, 229,605.84 and 94,781.72 is: 130,783.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,400.28 : 229,605.84 = 94,781.72 : x
  2. Step 2: Convert to fraction form
    166,400.28/229,605.84 = 94,781.72/x
  3. Step 3: Cross multiply
    166,400.28x = 229,605.84 × 94,781.72
  4. Step 4: Simplify right side
    166,400.28x = 21,762,436,437.24
  5. Step 5: Solve for x
    x = 21,762,436,437.24/166,400.28
  6. Step 6: Final answer
    x = 130,783.65

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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.