Home / 149,701.16-206,582.44-89,240.60

Finding the Fourth Proportional to 149,701.16, 206,582.44 and 89,240.60

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Solution

The fourth proportional to 149,701.16, 206,582.44 and 89,240.60 is: 123,148.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,701.16 : 206,582.44 = 89,240.60 : x
  2. Step 2: Convert to fraction form
    149,701.16/206,582.44 = 89,240.60/x
  3. Step 3: Cross multiply
    149,701.16x = 206,582.44 × 89,240.60
  4. Step 4: Simplify right side
    149,701.16x = 18,435,540,895.06
  5. Step 5: Solve for x
    x = 18,435,540,895.06/149,701.16
  6. Step 6: Final answer
    x = 123,148.95

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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.