Home / 120,637.20-166,476.30-66,923.40

Finding the Fourth Proportional to 120,637.20, 166,476.30 and 66,923.40

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Solution

The fourth proportional to 120,637.20, 166,476.30 and 66,923.40 is: 92,352.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,637.20 : 166,476.30 = 66,923.40 : x
  2. Step 2: Convert to fraction form
    120,637.20/166,476.30 = 66,923.40/x
  3. Step 3: Cross multiply
    120,637.20x = 166,476.30 × 66,923.40
  4. Step 4: Simplify right side
    120,637.20x = 11,141,160,015.42
  5. Step 5: Solve for x
    x = 11,141,160,015.42/120,637.20
  6. Step 6: Final answer
    x = 92,352.61

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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.