Home / 149,495.64-206,294.94-85,827.48

Finding the Fourth Proportional to 149,495.64, 206,294.94 and 85,827.48

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Solution

The fourth proportional to 149,495.64, 206,294.94 and 85,827.48 is: 118,436.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,495.64 : 206,294.94 = 85,827.48 : x
  2. Step 2: Convert to fraction form
    149,495.64/206,294.94 = 85,827.48/x
  3. Step 3: Cross multiply
    149,495.64x = 206,294.94 × 85,827.48
  4. Step 4: Simplify right side
    149,495.64x = 17,705,774,836.95
  5. Step 5: Solve for x
    x = 17,705,774,836.95/149,495.64
  6. Step 6: Final answer
    x = 118,436.73

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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.