Home / 149,274.24-206,017.92-85,599.60

Finding the Fourth Proportional to 149,274.24, 206,017.92 and 85,599.60

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Solution

The fourth proportional to 149,274.24, 206,017.92 and 85,599.60 is: 118,138.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,274.24 : 206,017.92 = 85,599.60 : x
  2. Step 2: Convert to fraction form
    149,274.24/206,017.92 = 85,599.60/x
  3. Step 3: Cross multiply
    149,274.24x = 206,017.92 × 85,599.60
  4. Step 4: Simplify right side
    149,274.24x = 17,635,051,544.83
  5. Step 5: Solve for x
    x = 17,635,051,544.83/149,274.24
  6. Step 6: Final answer
    x = 118,138.61

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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.