Home / 149,613.21-206,474.13-85,955.13

Finding the Fourth Proportional to 149,613.21, 206,474.13 and 85,955.13

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Solution

The fourth proportional to 149,613.21, 206,474.13 and 85,955.13 is: 118,622.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,613.21 : 206,474.13 = 85,955.13 : x
  2. Step 2: Convert to fraction form
    149,613.21/206,474.13 = 85,955.13/x
  3. Step 3: Cross multiply
    149,613.21x = 206,474.13 × 85,955.13
  4. Step 4: Simplify right side
    149,613.21x = 17,747,510,685.79
  5. Step 5: Solve for x
    x = 17,747,510,685.79/149,613.21
  6. Step 6: Final answer
    x = 118,622.62

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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.