Home / 149,672.32-206,548.31-89,270.08

Finding the Fourth Proportional to 149,672.32, 206,548.31 and 89,270.08

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Solution

The fourth proportional to 149,672.32, 206,548.31 and 89,270.08 is: 123,193.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,672.32 : 206,548.31 = 89,270.08 : x
  2. Step 2: Convert to fraction form
    149,672.32/206,548.31 = 89,270.08/x
  3. Step 3: Cross multiply
    149,672.32x = 206,548.31 × 89,270.08
  4. Step 4: Simplify right side
    149,672.32x = 18,438,584,157.56
  5. Step 5: Solve for x
    x = 18,438,584,157.56/149,672.32
  6. Step 6: Final answer
    x = 123,193.01

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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.