Home / 149,606.34-206,387.22-89,143.08

Finding the Fourth Proportional to 149,606.34, 206,387.22 and 89,143.08

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Solution

The fourth proportional to 149,606.34, 206,387.22 and 89,143.08 is: 122,976.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,606.34 : 206,387.22 = 89,143.08 : x
  2. Step 2: Convert to fraction form
    149,606.34/206,387.22 = 89,143.08/x
  3. Step 3: Cross multiply
    149,606.34x = 206,387.22 × 89,143.08
  4. Step 4: Simplify right side
    149,606.34x = 18,397,992,463.44
  5. Step 5: Solve for x
    x = 18,397,992,463.44/149,606.34
  6. Step 6: Final answer
    x = 122,976.02

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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.