Home / 120,527.28-166,310.13-66,812.25

Finding the Fourth Proportional to 120,527.28, 166,310.13 and 66,812.25

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Solution

The fourth proportional to 120,527.28, 166,310.13 and 66,812.25 is: 92,191.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,527.28 : 166,310.13 = 66,812.25 : x
  2. Step 2: Convert to fraction form
    120,527.28/166,310.13 = 66,812.25/x
  3. Step 3: Cross multiply
    120,527.28x = 166,310.13 × 66,812.25
  4. Step 4: Simplify right side
    120,527.28x = 11,111,553,983.09
  5. Step 5: Solve for x
    x = 11,111,553,983.09/120,527.28
  6. Step 6: Final answer
    x = 92,191.20

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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.